case-control

• Case - control study
  病例-对照研究
• Case - control study
  病例-对照研究
• A case - control study on environmental risk factors of female breast cancer in tangshan city
  唐山市女性乳腺癌环境危险因素病例对照研究
• A case - control study of the relationship between psychological factors and type 2 diabetes mellitus
  2型糖尿病与心理因素的病例对照研究
• Study design . prospectie case - control study testing a new diagnostic method
  研究设计：为试验一种新的诊断方法而做的预期病例对照研究。
• A case - control study on the risk factors and other socio - psychological factors of epilepsy
  人群癫痫危险因素及社会心理因素病例对照研究
• A case - control study on the effectiveness of live attenuated japanese encephalitis vaccine
  流行性乙型脑炎减毒活疫苗效果的病例对照研究
• Nonsteroidal anti - inflammatory drugs increases the risk of peptic ulcer bleeding : a case - control study
  消化性溃疡并发出血危险因素研究
• A case - control study on the risk factors of central nervous system congenital malformations
  中枢神经系统先天畸形危险因素的病例对照研究
• A case - control study on environmental risk factors of female breast cancer in tangshan area
  唐山地区女性乳腺癌环境危险因素的病例对照研究