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1On the combined effect of soil fertility and topography on tree growth in subtropical forest ecosystems—a study from SE China显示文摘Aims The aim of our research was to understand small-scale effects of topography and soil fertility on tree growth in a forest biodiversity and ecosystem functioning(BEF)experiment in subtropical SE China.Methods Geomorphometric terrain analyses were carried out at a spatial resolution of 5×5 m.Soil samples of different depth increments and data on tree height were collected from a total of 566 plots(667 m2 each).The soils were analyzed for carbon(soil organic carbon[SOC]),nitrogen,acidity,cation exchange capacity(CEC),exchangeable cations and base saturation as soil fertility attributes.All plots were classified into geomorphological units.Analyses of variance and linear regressions were applied to all terrain,soil fertility and tree growth attributes.Important Findings In general,young and shallow soils and relatively small differences in stable soil properties suggest that soil erosion has truncated the soils to a large extent over the whole area of the experiment.This explains the concurrently increasing CEC and SOC stocks downslope,in hollows and in valleys.However,colluvial,carbon-rich sediments are missing widely due to the convexity of the footslopes caused by uplift and removal of eroded sediments by adjacent waterways.The results showed that soil fertility is mainly influenced by topography.Monte-Carlo flow accumulation(MCCA),curvature,slope and aspect significantly affected soil fertility.Furthermore,soil fertility was affected by the different geomorphological positions on the experimental sites with ridge and spur positions showing lower exchangeable base cation contents,especially potassium(K),due to leaching.This geomorphological effect of soil fertility is most pronounced in the topsoil and decreases when considering the subsoil down to 50 cm depth.Few soil fertility attributes affect tree height after 1-2 years of growth,among which C stocks proved to be most important while pH_(KCl)and CEC only played minor roles.Nevertheless,soil acidity and a high proportion of Al on the exchange complex affected tree height even after only 1-2 years growth.Hence,our study showed that forest nutrition is coupled to a recycling of litter nutrients,and does not only depend on subsequent supply of nutrients from the mineral soil.Besides soil fertility,topography affected tree height.We found that especially MCCA as indicator of water availability affected tree growth at small-scale,as well as aspect.Overall,our synthesis on the interrelation between fertility,topography and tree growth in a subtropical forest ecosystem in SE China showed that topographic heterogeneity lead to ecological gradients across geomorphological positions.In this respect,small-scale soil-plant interactions in a young forest can serve as a driver for the future development of vegetation and biodiversity control on soil fertility.In addition,it shows that terrain attributes should be accounted for in ecological research.Thomas Scholten Philipp Goebes Peter Kühn Steffen Seitz Thorsten Assmann Jürgen Bauhus Helge Bruelheide Francois Buscot Alexandra Erfmeier Markus Fischer Werner Härdtle Jin-Sheng He Keping Ma Pascal A.Niklaus Michael Scherer-Lorenzen Bernhard Schmid Xuezheng Shi Zhengshan Song Goddert von Oheimb Christian Wirth Tesfaye Wubet Karsten Schmidt 2017Journal of Plant Ecology2017,10,1:22
23B染色体短臂小麦赤霉病抗性主效QTL的分析显示文摘采用区间作图和复合区间作图方法对重组自交系群体宁 894 0 37 Alondra、望水白 Alondra和苏麦 3号 Alon dra进行了抗赤霉病QTL分析 ,结果表明 ,用在田间和温室的赤霉病抗性鉴定资料 ,在 3个赤霉病抗源宁 894 0 37、望水白和苏麦 3号的 3B染色体短臂上均检测到主效QTL的存在。宁 894 0 37主效QTL位于标记BARC133与Xgwm4 93之间的 5 0cM的区间内 ,最高可解释 4 2 8%的赤霉病抗性 ;望水白的主效QTL位于标记BARC14 7与Xgwm4 93之间11 5cM的区间内 ,最高可解释 15 1%的赤霉病抗性 ;苏麦 3号的主效QTL位于Xgwm5 33a与Xgwm4 93之间 13 0cM的区间内 ,最高可解释 10 6 %的赤霉病抗性。与赤霉病抗性主效QTL紧密连锁的标记均为SSR标记 。周淼平 任丽娟 张旭 Olga E Scholten 沈晓蓉 柏贵华 马鸿翔 陆维忠 2003Acta Genetica Sinica2003,30,6:22
3小麦赤霉病抗性QTL分析显示文摘以小麦赤霉病抗源望水白与感病品种Alondra杂交产生的 10 4个重组自交系为材料 ,采用JoinMap○R3 0软件构建了含有 2个RAPD、10 9个SSR和 10 5个AFLP标记共 2 5个连锁群的遗传连锁图 ,其中 2 4个连锁群可以确定为相应的染色体 ;采用自然发病和土表接种方法 ,对该重组自交系群体在建阳和苏州进行了连续两年赤霉病抗性鉴定 ,结果表明 :小麦赤霉病抗性由多基因控制 ,存在主基因效应 ,抗病基因表达受环境条件影响较大。用MapQTL○R4 0软件进行了赤霉病抗性QTL分析 ,共检测到位于染色体 2A、3B、4A、4D、5A、5B、6A、6B和 7A的 10个QTL ,其中 8个由抗病亲本望水白提供 ,2个由感病亲本Alondra提供 ,分别可以解释 8 3%~ 2 3 6 %的赤霉病抗性。与赤霉病抗性QTL紧密连锁的两侧分子标记可以为小麦抗赤霉病分子辅助育种提供帮助。周淼平 任丽娟 张旭 Olga-E Scholten 黄益洪 马鸿翔 陆维忠 2004作物学报2004,30,8:19
4Assessing the USLE Crop and Management Factor C for Soil Erosion Modeling in a Large Mountainous Watershed in Central China显示文摘Due to the impoundment of the Yangtze River, the Three Gorges Dam in China fosters high land-use dynamics. Soil erosion is expected to increase dramatically. One of the key factors in soil erosion control is the vegetation cover and crop type. However, determining these factors adequately for the use in soil erosion modeling is very time-consuming especially for large mountainous areas, such as the Xiangxi (香溪) catchment in the Three Gorges area. In our study, the crop and management factor C was calculated using the fractional vegetation cover (CFVC) based on Landsat-TM images from 2005, 2006, and 2007 and on literature studies (CLIT). In 2007, the values of CFVC range between 0.001 and 0.98 in the Xiangxi catchment. The mean CFVC value is 0.05. CLIT values are distinctly higher, ranging from 0.08 to 0.46 with a mean value of 0.32 in the Xiangxi catchment. The mean potential soil loss amounts to 120.62 t/ha/a in the Xiangxi catchment when using CLIT for modeling. Based on CFVC, the predicted mean soil loss in the Xiangxi catchment is 11.50 t/ha/a. Therefore, CLIT appears to be more reliable than the C factor based on the fractional vegetation cover.Sarah Schnbrodt Patrick Saumer Thorsten Behrens Christoph Seeber Thomas Scholten 2010Journal of Earth Science2010,21,6:12
5用JoinMap~3.0初步构建小麦遗传连锁图显示文摘以普通小麦品种“望水白”与“Alondra”杂交并通过单粒传方法获得的含104个重组自交系(F7)的群体为作图群体,采用JoinMap 3.0软件初步构建了含有2个RAPD、109个SSR和105个AFLP多态性标记的小麦遗传整合图谱。该图谱的遗传总距离为1241.4cM,含有25个连锁群,已确认其中24个连锁群相应的染色体,除3D染色体外,其余20条染色体均构建了遗传连锁图。A、B、D3个染色体组的染色体平均长度分别为75.1cM、59.6cM和45.8cM,每个染色体平均分布的多态性标记分别为11.3、13.8和5.5个,标记间的平均间隔为5.7cM,仍有25.8%的多态性标记未能构建进遗传图谱。周淼平 张旭 任丽娟 SCHOLTEN Olga-E 柏贵华 马鸿翔 陆维忠 2003江苏农业学报2003,19,3:11
6Impact of tree diversity and environmental conditions on the survival of shrub species in a forest biodiversity experiment in subtropical China显示文摘Aims Although shrubs are an important component of forests,their role has not yet been considered in forest biodiversity experiments.In the biodiversity-ecosystem functioning(BEF)experiment with subtropical tree species in south-east China(BEF-China),we factorially combined tree with shrub species-diversity treatments.Here,we tested the hypotheses that shrub survival differs between the 10 planted shrub species,with lower survival rates of late-than early-successional species and is affected by environmental conditions,such as topography and top soil characteristics,as well as by biotic factors,represented by tree,shrub and herb layer characteristics.Methods We analyzed the survival of 42000 shrub individuals in 105 plots varying in tree and shrub species richness of the BEF-China project four years after planting.Shrub survival was analyzed with generalized linear mixed effects models at the level of individuals and with variance partitioning at the plot level.Random intercept and random slope models of different explanatory variables were compared with respect to the Bayesian Information Criterion(BIC).Important Findings Survival rates differed largely between the 10 shrub species,ranging from 26%to 91%for Ardisia crenata and Distylium buxifolium,respectively.Irrespective of species identity,single abiotic factors explained up to 5%of species survival,with a negative effect of altitude and slope inclination and a positive effect of the topsoil carbon to nitrogen ratio,which pointed to drought as the major cause of shrub mortality.In contrast,neither tree nor shrub richness affected shrub survival at this early stage of the experiment.Among the biotic predictors,only herb layer species richness and cover of the dominant fern species(Dicranopteris pedata)affected shrub survival.Overall,our models that included all variables could explain about 65%in shrub survival,with environmental variables being most influential,followed by shrub species identity,while tree species diversity(species richness and identity)and herb layer characteristics contributed much less.Thus,in this early stage of the experiment the biotic interactions among shrubs and between shrubs and trees have not yet overruled the impact of abiotic environmental factors.Bo Yang Ying Li Bingyang Ding Sabine Both Alexandra Erfmeier Werner Härdtle Keping Ma Bernhard Schmid Thomas Scholten Gunnar Seidler Goddert von Oheimb Xuefei Yang Helge Bruelheide 2017Journal of Plant Ecology2017,10,1:7
7中国与欧洲禾谷镰刀菌DON毒素HPLC定量比较分析显示文摘选用4个来自中国、7个来自欧洲的代表性禾谷镰刀菌菌株,经脱氧雪腐镰刀菌烯醇(DON)毒素特异引物鉴定,确认其具有产生DON毒素的遗传物质基础后,接种于PDB培养基培养7d,从培养基上清中经硅胶柱分离、纯化DON毒素,经HPLC定量分析表明,纯化的禾谷镰刀菌DON毒素,与购自公司的DON毒素标准样品一样,其HPLC检测谱峰清晰明显,基线平稳,无干扰,保留时间为9.5min左右;供试菌株的DON毒素含量分布在0.023~1.934μg/mL之间,德国菌株F703产毒量最大,比位居第二的中国菌株5005(1.232μg/mL)高57%;其余的6个欧洲菌株中,除意大利菌株Lor9(0.128μg/mL)略低于另一个中国菌株7105(0.135μg/mL)外,均比3个中国菌株(4020、7105、8029)的产毒量大.欧洲镰刀菌产生DON毒素的能力远远大于中国菌株,这说明欧洲菌株长期在欧洲生态环境下已演变形成其特有的高毒素代谢类型,我国有必要严防欧洲禾谷镰刀菌入侵,加强对来自欧洲的禾谷类粮食及其产品的镰刀菌和毒素的检疫和监控;同时,本研究建立的毒素样品制备与HPLC检测体系可用于准确定量分析样品的DON毒素.武爱波 李和平 张静柏 赵纯森 姚明镜 SCHOLTEN Olga 廖玉才 2007应用与环境生物学报2007,13,1:6
8Stool characteristics of infants receiving short-chain galactooligosaccharides and long-chain fructo-oligosaccharides:A review显示文摘Human milk is considered to be the optimal source of infant nutrition. Some of the benefits of breastfeeding have been ascribed to human milk oligosaccharides(HMO). For instance, HMO can affect faecal characteristics such as stool consistency and stool frequency. Such effects on stool characteristics can be beneficial for young infants as hard stools and even constipation is common in that age group. Prebiotics in infant milk formulas have been introduced to exert similar functionalities. A specific mixture of prebiotics consists of a combination of short chain galacto-oligosaccharides and long-chain fructo-oligosaccharides(scGOS/lcFOS) in a ratio of 9:1. This specific mixture has been developed to closely resemble the molecular size composition of HMO. Many studies have been done with scGOS/lcFOS, and indicators for digestive comfort have often been included as secondary outcomes. This review summarizes the effects of scGOS/lcFOS(9:1) on stool consistency,stool frequency and transit time in healthy term and preterm infants. In several of the studies with scGOS/lcFOS in a ratio of 9:1 in infant milk formulas, positive effects of this mixture on stool characteristics such as stool consistency and stool frequency were observed. As stool consistency was shown to be correlated to whole gut transit time, scGOS/lcFOS can be hypothesised to have a role in reducing the risk of constipation.Petra AMJ Scholtens Dominique AM Goossens Annamaria Staiano 2014World Journal of Gastroenterology2014,20,37:6
9德国课程标准对地理实践力素养的解构与测评研究显示文摘当前我国地理教育界存在着对新课标所强调的地理实践力素养理解困难的问题,德国新版课程标准提供了一个参考视角。由于对关键词的翻译未能跟上国际课改潮流,使得该课标的借鉴作用受到了限制。通过文本解读,德国课标中有5个素养与地理实践力素养相对应:空间定位、收集信息/方法、交流、评价、行动。这些素养的表现水平、操作指标与习题设计思路,也有助于我国地理实践力测评中的问题解决。张鹏韬 Nina Scholten 2019地理教学2019,,17:6
10Decreasing nutrient concentrations in soils and trees with increasing elevation across a treelineecotone in Rolwaling Himal, Nepal显示文摘At a global scale, tree growth in alpine treeline ecotones is limited by low temperatures. At a local scale, however, tree growth at its upper limit depends on multiple interactions of influencing factors and mechanisms. The aim of our research was to understand local scale effects of soil properties and nutrient cycling on tree growth limitation, and their interactions with other abiotic and biotic factors in a near-natural Himalayan treeline ecotone. Soil samples of different soil horizons, litter, decomposition layers, and foliage samples of standing biomass were collected in four altitudinal zones along three slopes, and were analysed for exchangeable cations and nutrient concentrations, respectively. Additionally, soil and air temperature, soil moisture, precipitation, and tree physiognomy patterns were evaluated. Both soil nutrients and foliar macronutrient concentrations of nitrogen(N), magnesium(Mg), potassium(K), and foliar phosphorus(P) decrease significantly with elevation. Foliar manganese(Mn) concentrations, bycontrast, are extraordinarily high at high elevation sites. Potential constraining factors on tree growth were identified using multivariate statistical approaches. We propose that tree growth, treeline position and vegetation composition are affected by nutrient limitation, which in turn, is governed by low soil temperatures and influenced by soil moisture conditions.Simon DROLLINGER Michael MULLER Timo KOBL Niels SCHWAB Jurgen BOHNER Udo SCHICKHOFF Thomas SCHOLTEN 2017Journal of Mountain Science2017,14,5:4
11Thauera mechernichensis sp nov:an aerobic denitrifier from a leachate treatment plant 显示文摘Scholten E Lukow T Auling G 1999Int J Syst Bacteriol1999,49,:4
12Endoglin in liver fibrogenesis: Bridging basic science and clinical practice显示文摘Endoglin, also known as cluster of differentiation CD105, was originally identified 25 years ago as a novel marker of endothelial cells. Later it was shown that endoglin is also expressed in pro-fibrogenic cells including mesangial cells, cardiac and scleroderma fibroblasts, and hepatic stellate cells. It is an integral membranebound disulfide-linked 180 kDa homodimeric receptor that acts as a transforming growth factor-β(TGF-β) auxiliary co-receptor. In humans, several hundreds of mutations of the endoglin gene are known that give rise to an autosomal dominant bleeding disorder that is characterized by localized angiodysplasia and arteriovenous malformation. This disease is termed hereditary hemorrhagic telangiectasia type Ⅰ and induces various vascular lesions, mainly on the face, lips, hands and gastrointestinal mucosa. Two variants of endoglin(i.e., S- and L-endoglin) are formed by alternative splicing that distinguishes from each other in the length of their cytoplasmic tails. Moreover, a soluble form of endoglin, i.e.,sol-Eng, is shedded by the matrix metalloprotease-14 that cleaves within the extracellular juxtamembrane region. Endoglin interacts with the TGF-β signaling receptors and influences Smad-dependent and-independent effects. Recent work has demonstrated that endoglin is a crucial mediator during liver fibrogenesis that critically controls the activity of the different Smad branches. In the present review, we summarize the present knowledge of endoglin expression and function, its involvement in fibrogenic Smad signaling, current models to investigate endoglin function, and the diagnostic value of endoglin in liver disease.Steffen K Meurer Muhammad Alsamman David Scholten Ralf Weiskirchen 2014World Journal of Biological Chemistry2014,5,2:3
13Implications of tree species–environment relationships for the responsiveness of Himalayan krummholz treelines to climate change显示文摘Climate warming is expected to advance treelines to higher elevations. However, empirical studies in diverse mountain ranges give evidence of both advancing alpine treelines as well as rather insignificant responses. In this context, we aim at investigating the sensitivity and responsiveness of the near-natural treeline ecotone in Rolwaling Himal, Nepal, to climate warming. We analysed population densities of tree species along the treeline ecotone from closed forest stands via the krummholz belt to alpine dwarf shrub heaths(3700-4200 m) at 50 plots in 2013 and 2014. We quantified species-environment relationships, i.e. the change ofenvironmental conditions(e.g., nutrient and thermal deficits, plant interactions) across the ecotone by means of redundancy analyses, variation partitioning and distance-based Moran's eigenvector maps. In particular, we focus on explaining the high competitiveness of Rhododendron campanulatum forming a dense krummholz belt and on the implications for the responsiveness of Himalayan krummholz treelines to climate change. Results indicate that treeline trees in the ecotone show species-specific responses to the influence of environmental parameters, and that juvenile and adult tree responses are modulated by environmental constraints in differing intensity. Moreover, the species-environment relationships suggest that the investigated krummholz belt will largely prevent theupward migration of other tree species and thus constrain the future response of Himalayan krummholz treelines to climate warming.Niels SCHWAB Udo SCHICKHOFF Birgit BURZLE Michael MULLER Jurgen BOHNER Ram Prasad CHAUDHARY Thomas SCHOLTEN Jens OLDELAND 2017Journal of Mountain Science2017,14,3:3
14Early positive effects of tree species richness on soil organic carbon accumulation in a large-scale forest biodiversity experiment显示文摘Aims tree species richness has been reported to have positive effects on aboveground biomass and productivity,but little is known about its effects on soil organic carbon(SOC)accumulation.Methods to close this gap,we made use of a large biodiversity-ecosystem functioning experiment in subtropical china(BEF-china)and tested whether tree species richness enhanced SOC accumulation.In 2010 and 2015,vertically layered soil samples were taken to a depth of 30 cm from 57 plots ranging in tree species richness from one to eight species.Least squares-based linear models and analysis of variance were used to investigate tree diversity effects.Structural equation modeling was used to explore hypothesized indirect relationships between tree species richness,leaf-litter biomass,leaf-litter carbon content,fine-root biomass and SOC accumulation.Important Findings Overall,SOC content decreased by 5.7 and 1.1 g C kg^(-1) in the top 0-5 and 5-10 cm soil depth,respectively,but increased by 1.0 and 1.5 g C kg^(-1) in the deeper 10-20 and 20-30 cm soil depth,respect-ively.converting SOC content to SOC stocks using measures of soil bulk density showed that tree species richness did enhance SOC accumulation in the different soil depths.these effects could only to some extent be explained by leaf-litter biomass and not by fine-root biomass.Our findings suggest that carbon storage in new forests in china could be increased by planting more diverse stands,with the potential to contribute to mitigation of climate warming.Yin Li Helge Bruelheide Thomas Scholten Bernhard Schmid Zhenkai Sun Naili Zhang Wensheng Bu Xiaojuan Liu Keping Ma 2019Journal of Plant Ecology2019,12,5:3
15Electron-beam lithography for polymer bioMEMS with submicron features显示文摘We present a method for submicron fabrication of flexible,thin-film structures fully encapsulated in biocompatible polymer poly(chloro-p-xylylene)(Parylene C)that improves feature size and resolution by an order of magnitude compared with prior work.We achieved critical dimensions as small as 250 nm by adapting electron beam lithography for use on vapor deposited Parylene-coated substrates and fabricated encapsulated metal structures,including conducting traces,serpentine resistors,and nano-patterned electrodes.Structures were probed electrically and mechanically demonstrating robust performance even under flexion or torsion.The developed fabrication process for electron beam lithography on Parylene-coated substrates and characterization of the resulting structures are presented in addition to a discussion of the challenges of applying electron beam lithography to polymers.As an application of the technique,a Parylene-based neural probe prototype was fabricated with 32 recording sites patterned along a 2 mm long shank,an electrode density surpassing any prior polymer probe.Kee Scholten Ellis Meng 2016Microsystems & Nanoengineering2016,2,1:2
16Banking on the Equator. Are Banks that Adopted the Equator Principles Different from Non-Adopters?显示文摘Bert Scholtens Lammertjan Dam 2007World Development2007,,8:2
17Finance as a Driver of Corporate Social Responsibility显示文摘Bert Scholtens 2006Journal of Business Ethics2006,,1:2
18Estimation of Throughfall Erosivity in a Highly Diverse Forest Ecosystem Using Sand-Filled Splash Cups显示文摘Sand-filled splash cups were used to study the erosive power of rainfall and throughfall in the humid subtropics of Southeast China. The splash cup measurements yielded precise and reproducible results under both open field conditions and forest vegetation. The splash cups were exposed to specific forest stands of different ages and to selected species (Schima superba, Castanopsis eyrei, Daphniphyllum oldhamii, Lithocarpus glaber) in the Gutianshan (古田山) National Nature Reserve (GNNR). The results of the measurements under forest vegetation show that the erosive power of throughfall drops to be 2.59 times higher compared to the open field. This accentuates the importance of shrub, herb and litter layers in forest ecosystems to protect the soil against erosion. Coalescing drops from leaves and branches (drips) are responsible for this notable gain in erosive power. Moreover, differences in sandloss between the investigated tree species (deciduous, evergreen) revealed that the erosion potential and the spatial heterogeneity of throughfall are species-specific. This highlights the importance of selecting specific species for afforestation projects considering the prevention of soil erosion.Christian Geiβler Peter Kühn 史学正 Thomas Scholten 2010Journal of Earth Science2010,21,6:2
19Genome-wide association studies of lactation yields of milk, fat, protein and somatic cell score in New Zealand dairy goats显示文摘Background: Identifying associations between genetic markers and traits of economic importance will provide practical benefits for the dairy goat industry, enabling genomic prediction of the breeding value of individuals, and facilitating discovery of the underlying genes and mutations. Genome-wide association studies were implemented to detect genetic regions that are significantly associated with effects on lactation yields of milk(MY), fat(FY),protein(PY) and somatic cell score(SCS) in New Zealand dairy goats.Methods: A total of 4,840 goats were genotyped with the Caprine 50 K SNP chip(Illumina Inc., San Diego, CA).After quality filtering, 3,732 animals and 41,989 SNPs were analysed assuming an additive linear model. Four GWAS models were performed, a single-SNP additive linear model and three multi-SNP Bayes C models. For the single-SNP GWAS, SNPs were fitted individually as fixed covariates, while the Bayes C models fit all SNPs simultaneously as random effects. A cluster of significant SNPs were used to define a haplotype block whose alleles were fitted as covariates in a Bayesian model. The corresponding diplotypes of the haplotype block were then fit as class variables in another Bayesian model.Results: Across all four traits, a total of 43 genome-wide significant SNPs were detected from the SNP GWAS. At a genome-wide significance level, the single-SNP analysis identified a cluster of variants on chromosome 19 associated with MY, FY, PY, and another cluster on chromosome 29 associated with SCS. Significant SNPs mapped in introns of candidate genes(45%), in intergenic regions(36%), were 0–5 kb upstream or downstream of the closest gene(14%) or were synonymous substitutions(5%). The most significant genomic window was located on chromosome 19 explaining up to 9.6% of the phenotypic variation for MY, 8.1% for FY, 9.1% for PY and 1% for SCS.Conclusions: The quantitative trait loci for yield traits on chromosome 19 confirms reported findings in other dairy goat populations. There is benefit to be gained from using these results for genomic selection to improve milk production in New Zealand dairy goats.Megan Scholtens Andrew Jiang Ashley Smith Mathew Littlejohn Klaus Lehnert Russell Snell Nicolas Lopez-Villalobos Dorian Garrick Hugh Blair 2020Journal of Animal Science and Biotechnology2020,11,4:2
20Endoscopic Trimodal Imaging Detects Colonic Neoplasia as Well as Standard Video Endoscopy显示文摘Teaco Kuiper Frank J.C. van den Broek Anton H. Naber Ellert J. van Soest Pieter Scholten Rosalie Ch. Mallant–Hent Jan van den Brande Jeroen M. Jansen Arnoud H.A.M. van Oijen Willem A. Marsman Jacques J.G.H.M. Bergman Paul Fockens Evelien Dekker 2011Gastroenterology2011,,7:2
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