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| 1 | Distribution and assessment of heavy metals in the surface sediment of Yellow River, China显示文摘Large amounts of heavy metals discharged by industrial cities that are located along the middle reach of Yellow River, China have detrimental impacts on both the ecological environment and human health. In this study, fourteen surface sediment samples were taken in the middle reach of the Yellow River. Contents of Zn, Pb, Ni, Cu, Cr, Cd, As were measured, and the pollution status was assessed using three widely used pollution assessment methods, including the single factor index method, Nemerow pollution index method and potential ecological risk index. The concentrations of the studied heavy metals followed the order: Zn > Cr > Cu > Ni > Pb > As > Cd. Nearly 50% of sites had Cu and Cr accumulation. The concentration of Cu at the Yiluo River exceeded the secondary standard value of the Environmental quality standard for soils. Comparison of heavy metal concentrations between this study and other selected rivers indicated that Cu and Cr may be the major pollutants in our case. The single factor index indicated that many samples were at high levels of pollution for Cu and Cd; the Nemerow pollution index indicated that the Yihe River, Luohe River, Yiluo River and Huayuankou were polluted. According to the results of potential ecological risk assessment, Cd in the tributaries of Luo River, Yihe River,and Yiluo River showed high risk toward the ecosystem and human health, Cd in Huanyuankou and Cu in Yiluo River showed a middle level of risk and other samples were at a low level of risk. | Nan Yan Wenbin Liu Huiting Xie Lirong Gao Ying Han Mengjing Wang Haifeng Li | 2016 | Journal of Environmental Sciences2016，28，1： | 33 |
| 2 | Synthetic hexaploid wheat and its utilization for wheat genetic improvement in China显示文摘Synthetic hexaploid wheat (Triticum turgidum × Aegilops tauschii) was created to explore for novel genes from T. turgidum and Ae. tauschii that can be used for common wheat improvement. In the present paper, research advances on the utilization of synthetic hexaploid wheat for wheat genetic improvement in China are reviewed. Over 200 synthetic hexaploid wheat (SHW) accessions from the International Maize and Wheat Improvement Centre (CIMMYT) were introduced into China since 1995. Four cultivars derived from these, Chuanmai 38, Chuanmai 42, Chuanmai 43 and Chuanmai 47, have been released in China. Of these, Chuanmai 42, with large kernels and resistance to stripe rust, had the highest average yield (> 6 t/ha) among all cultivars over two years in Sichuan provincial yield trials, outyielding the commercial check cultivar Chuanmai 107 by 22.7%. Meanwhile, by either artificial chromosome doubling via colchicine treatment or spontaneous chromosome doubling via a union of unreduced gametes (2n) from T. turgidum-Ae. tauschii hybrids, new SHW lines were produced in China. Mitotic-like meiosis might be the cytological mechanism of spontaneous chromosome doubling. SHW lines with genes for spontaneous chromosome doubling may be useful for producing new SHW-alien amphidiploids and double haploid in wheat genetic improvement. | Wuyun Yang Dengcai Liu Jun Li Lianquan Zhang Huiting Wei Xiaorong Hu Youliang Zheng Zhouhu He Yuchun Zou | 2009 | Journal of Genetics and Genomics2009，36，9： | 18 |
| 3 | Molecular epidemiology demonstrates that imported and local strains circulated during the 2014 dengue outbreak in Guangzhou, China显示文摘The dengue virus(DENV) is a vital global public health issue. The 2014 dengue epidemic in Guangzhou, China, caused approximately 40,000 cases of infection and five deaths. We carried out a comprehensive investigation aimed at identifying the transmission sources in this dengue epidemic. To analyze the phylogenetics of the 2014 dengue strains, the envelope(E) gene sequences from 17 viral strains isolated from 168 dengue patient serum samples were sequenced and a phylogenetic tree was reconstructed. All 17 strains were serotype Ⅰ strains, including 8genotype Ⅰ and 9 genotype V strains. Additionally, 6 genotype Ⅰ strains that were probably introduced to China from Thailand before 2009 were widely transmitted in the 2013 and 2014 epidemics, and they continued to circulate until 2015, with one affinis strain being found in Singapore. The other 2 genotype Ⅰ strains were introduced from the Malaya Peninsula in 2014. The transmission source of the 9 genotype Ⅴ strains was from Malaysia in 2014. DENVs of different serotypes and genotypes co-circulated in the 2014 dengue outbreak in Guangzhou. Moreover, not only had DENV been imported to Guangzhou, but it had also been gradually exported, as the viruses exhibited an enzootic transmission cycle in Guangzhou. | Geng Li Pan Pan Qiuyan He Xiujuan Kong Kailang Wu Wei Zhang Yuntao Liu Huiting Huang Jianbo Liu Zhongde Zhang De Wu Xiaoping Lai Xiaohong Liu Jianguo Wu | 2017 | Virologica Sinica2017，32，1： | 7 |
| 4 | Advances in lung cancer screening and early detection显示文摘Lung cancer is associated with a heavy cancer-related burden in terms of patients’physical and mental health worldwide.Two randomized controlled trials,the US-National Lung Screening Trial(NLST)and Nederlands-Leuvens Longkanker Screenings Onderzoek(NELSON),indicated that low-dose CT(LDCT)screening results in a statistically significant decrease in mortality in patients with lung cancer,LDCT has become the standard approach for lung cancer screening.However,many issues in lung cancer screening remain unresolved,such as the screening criteria,high false-positive rate,and radiation exposure.This review first summarizes recent studies on lung cancer screening from the US,Europe,and Asia,and discusses risk-based selection for screening and the related issues.Second,an overview of novel techniques for the differential diagnosis of pulmonary nodules,including artificial intelligence and molecular biomarker-based screening,is presented.Third,current explorations of strategies for suspected malignancy are summarized.Overall,this review aims to help clinicians understand recent progress in lung cancer screening and alleviate the burden of lung cancer. | Caichen Li Huiting Wang Yu Jiang Wenhai Fu Xiwen Liu Ran Zhong Bo Cheng Feng Zhu Yang Xiang Jianxing He Wenhua Liang | 2022 | Cancer Biology & Medicine2022，19，5： | 6 |
| 5 | Breast cancer stem-like cells can promote metastasis by activating platelets and down-regulating antitumor activity of natural killer cells显示文摘OBJECTIVE:To investigate whether cancer stem cells(CSCs) more efficiently activating platelets and evading immune surveillance than non-CSCs thus promoting metastasis.METHODS:We enriched and identified sphereforming cells(SFCs) and coincubated washed platelets with several platelet activators including collagen,4T1 and SFCs.Platelet-coating tumor cells,platelet activation and TGF-β1 release were analyzed.Then natural kell cells(NK) were incubated with supernatants of different activated platelet samples what we called sample release(SR).The degranulation assay and NKG2 D expression on NK cells were conducted by flow cytometry.Finally tissue factor(TF) expression of SFCs or 4T1 were evaluated by western blot.RESULTS:Breast cancer cell line 4T1 could form spheres in serum-free medium at low adherence.Sphere-forming cells expressed high levels of the CD24-/lowCD44 + stem cell phenotype.Both sphere-forming cells or 4T1 were coated with abundant platelets while sphere-forming cells induced significantly higher expression of platelet activating receptor CD62 p than 4T1 did(P < 0.01).And sphere-forming cells induced platelets to produce more TGF-β1 than 4T1 did(P < 0.01).Furthermore,sample releases induced by sphere-forming cells caused more vigorous inhibition of NK cells antitumor reactivity(P < 0.05) and reduced NKG2 D expression(P < 0.01).The final results showed that sphere-forming cells expressed higher levels of TF than 4T1(P < 0.05).CONCLUSION:Our findings indicate that CSCs could efficiently activate platelets,induce platelets to secrete more TGF-β1,decrease NKG2 D expression and inhibit antitumor activity of NK cell,compared with 4T1.And higher levels of TF expression of CSCs may account for this correlation of CSCs and platelets. | Wang Shuo Zhang Ying Cong Weihong Liu Jie Zhang Yuren Fan Huiting XuYonggang Lin Hongsheng | 2016 | Journal of Traditional Chinese Medicine2016，36，4： | 5 |
| 6 | Spatial distribution of polychlorinated biphenyls in soil around a municipal solid waste incinerator显示文摘The impact of a typical municipal solid waste incinerator (MSWI) on polychlorinated biphenyl (PCB) concentrations in the surrounding soil was studied. Six stack gas samples were taken from the MSWI and 21 soil samples were collected from sampling sites between 300 and 1700 m from the MSWI stack. The total (∑PCB) concentrations of dioxin-like (dl) PCBs and indicator PCBs in the stack gas samples were between 3.41 and 34.3 ng/m3, and the corresponding toxic equivalents (TEQs) ranged from 4.45 to 66.9 pg WHO-TEQ/m3, with a mean of 28.6 pg WHO-TEQ/m3. A total of 2.43 g WHO-TEQ of PCBs per year was calculated to be released into the environment from MSWIs in China. The ∑PCB concentrations in the soil samples ranged from 28.0 to 264.4 pg/g, with mean and median values of 127.6 and 127.7 pg/g, respectively, while the TEQ values were between 0.020 and 0.18 pg WHO-TEQ/g, with mean and median values of 0.074 and 0.062 pg WHO-TEQ/g, respectively. Comparing this study with other studies performed around the world suggest that PCB emission from incinerators has a critical influence on PCB concentrations in the surrounding soil. An exponential function equation is proposed, which indicates a clear decline in ∑PCB concentrations with increasing distance from the stack. A contour map created using an ordinary kriging interpolation technique showed that a limited area (1250 m radius) from the stack was clearly influenced by PCB emission from the MSWI. | Wenbin Liu Haifeng Li Zhenyu Tian Huiting Xie Jicheng Hu | 2013 | Journal of Environmental Sciences2013，25，8： | 5 |
| 7 | Assessment of pollution of potentially harmful elements in soils surrounding a municipal solid waste incinerator, China显示文摘 | Ying Han Huiting Xie Wenbin Liu Haifeng Li Mengjing Wang Xuebin Chen Xiao Liao Nan Yan | 2016 | Frontiers of Environmental Science & Engineering2016，10，6： | 5 |
| 8 | Lacustrine Shale Oil Resource Potential of Es3L Sub-Member of Bonan Sag, Bohai Bay Basin, Eastern China显示文摘Following shale gas, shale oil has become another highlight in unconventional hydrocarbon exploration and development. A large amount of shale oil has been produced from a host of marine shale in North America in recent years. In China, lacustrine shale, as the main source rock of conventional oil and gas, should also have abundant oil retained in place. In this study, geochemical and geologic characteristics of lacustrine shale from Es_3~L sub-member in Bonan sag were characterized by using total organic carbon(TOC), Rock-Eval pyrolysis, X-ray diffraction, and ?log R method. The results show that the Es_3~L sub-member shale have TOC contents ranging from 0.5 wt.% to 9.3 wt.%, with an average of 2.9 wt.%. The organic matter is predominantly Type I kerogen, with minor amounts of Type II1 kerogen. The temperature of maximum yield of pyrolysate(Tmax) values ranges from 424 to 447 °C, with an average of 440 °C, and vitrinite reflectance(Ro%) ranges from 0.7% to 0.9%, indicating most of shales are thermally mature. The dominant minerals of Es_3~L shale in Bonan sag are carbonates(including calcite and dolomite), averaging 51.82 wt.%, and the second minerals are clay(mostly are montmorillonite-illite-mixed layer and illite) and quartz, averaging about 18 wt.%. Finally, its shale oil resources were evaluated by using the volumetric method, and the evaluation result shows that the shale oil resource is up to 5.94 billion tons, and mostly Class I resource. Therefore, the exploration of the lacustrine shale oil of Es_3~L in Bonan sag should be strengthened. | Shuangfang Lu Wei Liu Min Wang Linye Zhang Zhentao Wang Guohui Chen Dianshi Xiao Zhandong Li Huiting Hu | 2017 | Journal of Earth Science2017，28，6： | 4 |
| 9 | Extraction and back-extraction behaviors of 14 rare earth elements from sulfuric acid medium by TODGA显示文摘The unique physical and chemical properties of rare earth elements lay the foundation for their extensive application. N,N,N',N' Tetra-octyl-3-oxopentanediamide(TODGA) is excellent in its ability of extracting rare earth elements and it is favored for green initiative. In this paper, the extraction and back-extraction of14 rare earth elements by TODGA were studied. Experiments show that in conditions of 6 mol/L sulfuric acid, the extraction temperature of 25 ℃,the phase ratio of 1:1 and 0.04 mol/LTODGA(aviation kerosene as the diluent), the extraction rates of 14 rare earth elements including lanthanum, cerium, praseodymium,neodymium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, and yttrium were 99.00%-99.73%. Mixed with hydrochloric acid and nitric acid(HCl 3.5 mol/L, HNO_30.5 mol/L), the recoveries of the 14 rare earth elements are 91.52%-99.91% when the extraction temperature is 25 ℃ and the ratio is 1:1. The following application is based on the optimum conditions above with practical samples(from the roasting production line of China North Rare Earth High-tech Company Limited) for extraction and back-extraction experiments. Experiments show that TODGA has excellent enrichment effect on 14 rare earth elements, the extraction rates are 91.36%-99.80%, the back-extraction rates are 87.29%-99.64% and the total recoveries are 81.19%-99.44%. | Huiting Yuan Weixiang Hong Yushan Zhou Baisong Pu Aijun Gong Tao Xu Qishan Yang Fukai Li Lina Qiu Weiwei Zhang Yuning Liu | 2018 | Journal of Rare Earths2018，36，6： | 4 |
| 10 | Effects of Jiazhu decoction in combination with cyclophosphamide on breast cancer in mice显示文摘OBJECTIVE: To investigate the therapeutic effects of Jiazhu decoction (JZD) in combination with cyclophosphamide (CTX) on the growth of breast cancer in mice and to explore the possible molecular mechanisms of action. METHODS: BALB/c mice were randomly divided into four groups of 10 (untreated model group, JZD group, CTX group, and JZD + CTX group) and subcutaneously injected with 4T1 mouse breast cancer cells. Tumors were allowed to establish for ~7 d before initiation of treatment with CTX (100 mg/kg every week by intraperitoneal injection) and/or JZD (0.015 mL of 1.65 g/mL crude drug, administered daily by gavage). The model group received equivalent volumes of vehicle on the same schedules. Tumor volumes were measured every 3 d. Mice were sacrificed after 3 weeks of treatment, and tumors were excised and subjected to RT-qPCR and western blot analysis to evaluate expression of the Wnt/β-catenin signaling pathway components β-catenin, c-Myc, and cyclin D1 at the mRNA and protein levels. RESULTS: The mean tumor volume was smaller and the growth rate was slower in the CTX and JZD + CTX groups compared with the model group (P < 0.05), and in the JZD + CTX group compared with the CTX and JZD groups (P < 0.05). Tumor growth was inhibited by 35.4% and 48.1% by CTX and JZD + CTX treatment, respectively (P < 0.001). The expression of β-catenin, c-Myc, and cyclin D1 mRNA and protein in tumors was significantly lower in mice treated with JZD or JZD + CTX compared with the untreated mice (P < 0.05), and was significantly lower in mice treated with JZD + CTX compared with either JZD or CTX alone (P < 0.05). CONCLUSION: JZD inhibited the growth of mouse breast cancer cells in vivo, possibly by reducing the expression of β-catenin, c-Myc, and cyclin D1. Combination therapy with JZD plus CTX had a more potent inhibitory effect on breast cancer growth compared with either agent alone. | Guan Huiting Xie Su Liu Shangyi Xie Qing Hou Shengkai Liu Huarong Zhang Yunjie Hu Yaqing Zhang Chenyu | 2019 | Journal of Traditional Chinese Medicine2019，39，5： | 4 |
| 11 | Polychlorinated dibenzo-p-dioxins and dibenzofurans and polychlorinated biphenyls in surface soil from the Tibetan Plateau显示文摘Concentrations of Polychlorinated dibenzo-p-dioxins and dibenzofurans(PCDD/Fs) and polychlorinated biphenyls(PCBs) in soil samples from Tibetan Plateau were determined. The average concentration of total 2,3,7,8-PCDD/Fs was(2.30 ± 1.02) pg/g, and World Health Organization Toxicity Equivalency(WHO-TEQ) average concentration was(0.013 ± 0.010)pg WHO-TEQ/g. The average concentration of ∑PCBs(7 indicator PCB and 12 dioxin like-PCB congeners) was(16.2 ± 9.25) pg/g, and WHO-TEQ average concentration was 0.043 ±0.049 pg WHO-TEQ/g. Comparing to previous studies in similar environmental conditions,PCDD/Fs and PCBs in this study showed a relatively lower concentration. The altitude dependences of PCDD/Fs and PCBs were also studied. Total organic carbon(TOC) normalized concentrations presented a quadratic relation with the altitudes, and an inflection could be found on the parabola of the total concentrations and some congeners of high concentration.The concentrations decreased with altitudes below about 4500 m above sea level(a.s.l.), while they increased with altitudes above it. These phenomena indicate that cold condensation of PCDD/Fs and PCBs would happen above 4500 m a.s.l, on the Tibetan Plateau. | Zhenyu Tian Haifeng Li Huiting Xie Chen Tang Ying Han Mengjing Wang Wenbin Liu | 2014 | Journal of Environmental Sciences2014，26，10： | 2 |
| 12 | Novel biomineral-binding eyclodextrins for controlled drug delivery in the oral eavity显示文摘 | Liu Xinming Lee Huiting Richard A Reinhardt | 2007 | J Control Rel2007，122，1： | 1 |
| 13 | Fecal metabolomics reveals the positive effect of ethanol extract of propolis on T2DM mice显示文摘A large number of studies have shown that propolis has positive effects in the treatment of type 2 diabetes mellitus(T2DM).However,there are have only been a few reports that are based on an ultra-high performance liquid chromatography-quadrupole-time-of-flight-mass spectrometry(UPLC-Q-TOF-MS)analysis of the fecal metabolomics of ethanol extract of propolis(EEP)in the treatment of T2DM.The present investigation was designed to screen potential biomarkers of T2DM by the metabonomic method and to explain the possible anti-diabetes mechanism of EEP according to the changes in the biomarkers.The results showed that EEP improved the body weight(BW)of T2DM mice,lowered blood sugar levels,and significantly restored blood biochemical indicators related to T2DM,such as fasting insulin(FINS),homeostasis model assessment of insulin resistance(HOMA-IR),aspartate transaminase(AST),and alanine aminotransferase(ALT).Liver pathology showed that EEP reversed liver damage caused by T2DM.Metabolomics data identified 27 potential biomarkers in fecal samples.EEP effectively regulated the dysfunction in the metabolic pathways of glycerophospholipids,sphingolipids,riboflavins,and sterol lipids caused by T2DM.In summary,our research results revealed positive effects of EEP in the treatment of T2DM and provided potential candidate markers for further research and in the clinical treatment of T2DM. | Chunmei Wang Huiting Zhao Kai Xu Yali Du Jinjia Liu Jinfei Wang Yusuo Jiang | 2023 | Food Science and Human Wellness2023，12，1： | 1 |
| 14 | Biodegradability of pollutants from cooking fumes显示文摘 | Liao Lei Liu Huiting Zhang Bangluan | 2009 | Bulletin of Environmental Contamination and Toxicology2009，82，： | 1 |
| 15 | A Programmable Hybrid DNA Nanogel for Enhanced Photodynamic Therapy of Hypoxic Glioma显示文摘Photodynamic therapy(PDT)is a promising cancer therapy due to the evident advantages of a rapid curative eff ect,minimal or non-invasiveness,and circumvention of drug resistance.However,the hydrophobicity of photosensitizers and the hypoxic tumor microenvironment in solid tumors reduce the therapeutic eff ect of PDT immensely.Herein,we construct a programmable hybrid mesoporous silica nanoparticle/DNA nanogel(H-DNA nanogel)for enhanced PDT.The H-DNA nanogel is constituted with a virus-like mesoporous silica nanoparticle(VMSN)as the core to provide an appropriate nano-interface and a self-assembly programmable DNA hydrogel layer based on rolling circle amplifi cation(RCA)as the shell.Two kinds of G-quadruplex structures inserted with a hemin and zinc phthalocyanine(ZnPc)photosensitizer are introduced into the H-DNA nanogel by base pairing.The two modules of G-quadruplex structure work as an oxygen supplement in the hypoxic tumor microenvironment and increase the yield of singlet oxygen,respectively.Our hybrid DNA nanogel system provides a modular platform for effi cient cancer PDT and has great potential in the broader biomedical fi eld. | Ye Yuan Huiting Zhao Yunhua Guo Jianpu Tang Chunxia Liu Linghui Li Chi Yao Dayong Yang | 2020 | Transactions of Tianjin University2020，26，6： | 1 |
| 16 | The Method and Application of Using Generalized-△LgR Technology to Predict the Organic Carbon Content of Continental Deep Source Rocks显示文摘1 Introduction△Lg R technology was widely used in source rocks(TOC)well logging evaluation as well as the most reliable way in the industry.This technology applies electrical resistivity and interval transit time curve to cauculat TOC.According to the continuous TOC content calculated form logging curvies,thickness of source rocks | HU Huiting LIU Chao LU Shuangfang | 2015 | Acta Geologica Sinica(English Edition)2015，89，A01： | 1 |
| 17 | Bovine fetal epithelium cells expressing shRNA targeting viral VP1 gene resisted against Foot-and-Mouth Disease Virus显示文摘 | Hongmei Wang Xiao Liu Jianming Wu Gang Wu Li Yu Chenqiang He Huiting Yang Weixin Xie Xianzhu Xia Hongbin He | 2013 | Virology2013，，： | 1 |
| 18 | Towards a tailored indoor horticulture:a functional genomics guided phenotypic approach显示文摘As indoor horticulture gathers momentum,electric(also termed artificial)lighting systems with the ability to generate specific and tunable wavelengths have been developed and applied.While the effects of light quality on plant growth and development have been studied,authoritative and reliable sets of light formulae tailored for the cultivation of economically important plants and plant traits are lacking as light qualities employed across laboratories are inconsistent.This is due,at least in part,to the lack of molecular data for plants examined under electric lights in indoor environments.It has hampered progress in the field of indoor horticulture,in particular,the transition from small-scale indoor farming to commercial plant factories.Here,we review the effects of light quality on model and crop plants studied from a physiological,physical and biochemical perspective,and explain how functional genomics can be employed in tandem to generate a wealth of molecular data specific for plants cultivated under indoor lighting.We also review the current state of lighting technologies in indoor horticulture specifically discussing how recent narrow-bandwidth lighting technologies can be tailored to cultivate economically valuable plant species and traits.Knowledge gained from a complementary phenotypic and functional genomics approach can be harvested not only for economical gains but also for sustainable food production.We believe that this review serves as a platform that guides future light-related plant research. | Claudius Marondedze Xinyun Liu Shihui Huang Cynthia Wong Xuan Zhou Xutong Pan Huiting An Nuo Xu Xuechen Tian Aloysius Wong | 2018 | Horticulture Research2018，5，1： | 0 |
| 19 | Synthesis of N-TiO2@NH2-M IL-88(Fe)Core-shell Structure for Efficient Fenton Effect Assisted Methylene Blue Degradation Under Visible Light显示文摘Core-shell TiO2-based photocatalysts with specific composition,morphology,and functionality have attracted considerable attention for their excellent degradation properties on organic pollutants via a photocatalytic oxidation process.Herein,a N-TiO2@NH2-MIL-88(Fe)core-shell structure was prepared by coating NH2-MIL-88(Fe)on nitrogen-doped TiO2(N-TiO2)nanoparticles.Introduction of heteroatom nitrogen to pure TiOz expands the spectra response range,leading to enhanced quantum efficiency of photocatalyst.Furthermore.loading NH2-MIL-88(Fe)or N-TiOz improved the adsorption ability of the nanocomposites due to the porous tunnels of NH2-MIL-88(Fe).The resulted core-shell N-TiO2@NH2-MIL-88(Fe)nanocomposites realized the transfer of photo excited electrons from N-TiOz to NH2-MIL-88(Fe)rapidly,partially reduced Fe to Fe^2+in NH^2+MIL-88(Fe),and further enhanced the Fenton effect on efficiently degrading methylene blue dye(MB)under visible light(>420 nm)with the assistance of H2O2. | YUAN Huiting REN Huizhen LI Minning LI Zetong LIU Mingrui DONG Wenjun WANG Ge ZHUANG Tao | 2020 | Chemical Research in Chinese Universities2020，36，6： | 0 |
| 20 | Clinical Effects of the COVID-19 Pandemic Among the Uninfected Pregnant Women—6 PLADs,China,2019−2020显示文摘Summary What is already known about this topic?The coronavirus disease 2019(COVID-19)pandemic potentially affected prenatal care quality and maternal and fetal outcomes globally.What is added by this report?During COVID-19 pandemic period,the rates of caesarean sections(CS)and preterm birth for uninfected pregnant women increased slightly in areas that were relatively severely impacted by the pandemic in China. | Bin Wang Hang An Huanqing Hu Wei Zhao Bahabaike Jiangtulu Shuo Wang Jiamei Wang Junxi Chen Manman Long Zewu Li Yu Jin Yuhuan Li Huiting Chen Tao Xue Xiqing Li Kexin Li Wei Du Suhong Gao Jiangli Di Xiaohong Liu Rongwei Ye Zhiwen Li | 2021 | China CDC weekly2021，3，10： | 0 |
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