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| 1 | 母猪难产的应对措施显示文摘当今猪生产系统中母猪难产并不常见,所占比例不到1%。母猪临近分娩时,大约每隔30~60分钟需进行产前观察。如果清楚母猪正常分娩过程,母猪出现难产时可第一时间采取相关措施。分娩前要保证分娩环境清洁和干燥(图1);预产期前1~5天将妊娠母猪赶往分娩栏(图2)。 | Singleton W Amass S F Clark L K 朱勇文 | 2012 | 养猪2012，，1： | 4 |
| 2 | A review of biodegradable polymers: Uses,current developments in the synthesis and characterization of biodegradable polyesters,blends of biodegradable polymers and recent advances in biodegradation studies 显示文摘 | Amass W Amass A Tighe B | 1998 | Polym Int1998，25，： | 1 |
| 3 | A review of biodegradable polymers显示文摘 | Amass W Amass A | | 0，，2： | 1 |
| 4 | Review of biodegradable polymers显示文摘 | Amass W Amass A Tighe B | | 0，，： | 1 |
| 5 | A review of biodegradable polymers: uses, current developments in the synthesis and characterization of biodegradable polyesters, blends of biodegradable polymers and recent advances in biodegradation stud- ies 显示文摘 | Amass W Amass A Tihge B | 1998 | Polymer International1998，47，2： | 1 |
| 6 | A multi-center randomized trial of buprenorphine-naloxone versus clonidine for opioid detoxification:findings from the National Institute on Drug Abuse Clinical Trials Network显示文摘 | Ling W Amass L Shoptaw S | 2005 | Addiction2005，100，8： | 1 |
| 7 | Bringing buprenorphine-naloxone detoxification to community treatment providers:The NIDA Clinical Trials Network field experience显示文摘 | Amass L Ling W Freese TE | 2004 | Am J Addict2004，13，： | 1 |
| 8 | A review of biodegradable polymers: Uses, current developments in the synthesis and characterization of biodegradable polyesters, blends of biodegradable polymers and recent advances in biodegradation studies显示文摘 | Amass W Amass A Tighe B | 1998 | Polym Int1998，47，2： | 1 |
| 9 | Bringing Buprenorphine- Naloxone detoxifieation to cozrmmnity treatment providers: TheNIDA Clinical trials network field experience 显示文摘 | Amass L Ling W Freese TE | 2004 | Am J Addic2004，13，： | 1 |
| 10 | A review of biodegradable polymers:Uses,current developments in the synthesis and characterization of biodegradable polyesters,blends of biodegradable polymers and recent advances in biodegradation studies显示文摘 | Amass W Amass A Tighe B | 1998 | Polym Int1998，47，2： | 1 |
| 11 | A review of biodegradable polymers: uses, current developments in the synthesis and characterization of biodegradable polyesters, blends of biodegradable polymers and recent advances in biodegradation studies 显示文摘 | Amass W Amass A Tighe B | 1998 | Polymer International1998，47，： | 1 |
| 12 | A review of biodegradable polymers:Uses,current developments in the synthesis and characterization of biodegradable polyesters,blends of biodegradable polymers and recent advances in biodegradation studies显示文摘 | Amass W Amass A Tighe B | 1998 | Polymer International1998，47，2： | 1 |
| 13 | A Review of Biodegradable Polymers: Uses, Current Developments in the Synthesis and Characterization of Biodegradable Polyesters, Blends of Bio-degradable Polymers and Recent Advances in Biodegradation Studies显示文摘 | Amass W Amass A Tighe B | 1998 | PolymInt1998，47，2： | 1 |
| 14 | A review of biodegradable polymers: Users,current developments in the synthesis and characterization of biodegradable polymers,blends of biodegradable polymers and recent advances in biodegradable studies显示文摘 | W Amass A Amass B Tighe | 1998 | Polymer International1998，47，： | 1 |
| 15 | A review of biodegradable polymers : Users ,current developments in the synthesis and characterization of biodegradable polymers, blends of biodegradable polymers and recent advances in biodegradable studies显示文摘 | W Amass A Amass B Tighe | 1998 | Polymer International1998，47，： | 1 |
| 16 | Synthesis of narrow molecular weight ct, to-hydroxy telechelie poly (glycidyl nitrate ) and estimation of theoretical heat of explosion显示文摘 | Desai H J Cunliffe A V Lewis T Millar R W Paul N C Stewart M J Amass A J | 1996 | Polymer1996，37，15： | 1 |
| 17 | A Review of biodegradable polymers: uses, current developments in the synthesis and characterization of biodegradable polyesters, blends of biodegradable polymers and recent advances in biodegradation studies 显示文摘 | AMASS W AMASS A TIGHE B | 1998 | Polymer International1998，47，2： | 1 |
| 18 | A review of biodegradable polymers: Users, current developments in the synthesis and characterization of biodegradable polymers, blends of biodegradable polymers and recent advances in biodegradable studies显示文摘 | Amass W Amass A Tighe B | 1998 | Polymer International1998，47，： | 1 |
| 19 | A Review of Biodegradable Polymers 显示文摘 | AMASS W AMASS A TIGHE B | 1998 | Polym Int1998，47，： | 1 |
| 20 | Review of biodegradable polymers: Uses, current developments in the synthesis and characterization of biodegradable polyesters, blends of biodegradable polymers and recent advances in hiodegradation studies显示文摘 | Amass W Amass A Tighe B | 1998 | Polym Int1998，47，2： | 1 |
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