case-control

• Case - control study on risk factors of hemorrhagic fever with renal syndrome
  肾综合征出血热病例对照危险因素的研究
• A case - control study on relationship between body measure index and lung cancer
  体质指数与肺癌关系的病例一对照研究
• Case - control study on epidemic factors of severe acute respiratory syndrome
  传染性非典型肺炎流行因素的病例对照研究
• A case - control study on the risk factors related to neonatal light weight at birth
  极低出生体质量儿的9例临床管理分析
• A case - control study on quality of life among patients with irritable bowel syndrome
  肠易激综合征患者生活质量对照研究
• A case - control study on risk factors in etiology of intracranial hemorrhage
  新生儿颅内出血病因危险因素的病例对照研究
• A case - control study of the risk factors of type 2 diabetes mellitus in the elderly
  老年2型糖尿病患者易患因素的对照分析
• A case - control study on copd and alzheimer ' s disease in elderly military male
  慢性阻塞性肺病与阿尔茨海默病的病例对照研究
• A case - control study on psychological and social factors of urban girls with early menarche
  月经初潮早发与社会心理因素关系
• Case - control study of risk factors of 0 - 6 years old children injury in shenzhen community
  6岁儿童伤害影响因素病例对照研究