Inclusion criteria: Typical literatures, basic experimental research that restrictedly and scientifically designed, prospective randomized clinical research as well as case control study.
纳入标准：经典文献、经严格科学设计的基础实验研究、前瞻性随机性临床研究及病例对照研究。
Methods the study was carried out by case control analysis of the clinical manifestations and the data from cine selective coronary angiography.
方法对经冠状动脉造影检查的冠心病患者进行临床表现和造影结果对照分析。
A clinical epidemiological case - control study was, therefore, carried out to explore the risk factors of endometriosis.
本课题采用临床流行病学的病例—对照研究方法，以探讨异位症发病的高危因素。
应用推荐