cross-sectionalinvestigation相关论文
目的 了解我国多地区妇女乳腺癌知信行现状,探讨三者的影响因素和三者关系.方法 采用多阶段分层随机抽样方式抽样,对中国6市县599......
目的了解阿坝州大骨节病患者疾病状况、生活现状及大骨节病防治措施实施情况。方法2009-2011年采用分层整群抽样方法,抽取阿坝州大......
Prevalence of cardiovascular disease in subjects hospitalized due to chronic obstructive pulmonary d
Objectives To investigate the overall prevalence of cardiovascular disease (CVD) in subjects hospitalized for chronic ob......