结论病例同胞对照设计使用患者同胞作为对照，避免了人群分层现象，可以用来检测基因与疾病之间的关联或连锁。
Conclusion Case-sibling control design might avoid population stratification by using siblings as controls thus might be used to test association and linkage between genes and disease.
方法1999年在北京市自然人群中采用分层随机抽样的方法进行横断面调查。
Methods in 1999, a cross-sectional study was carried out in a natural population of Beijing, using stratified-random sampling method.
【译】颈动脉超声对类风湿关节炎患者的心血管危险分层是有用的：一个基于人群的研究结果。
Carotid ultrasound is useful for the cardiovascular risk stratification of patients with rheumatoid arthritis: results of a population-based study.
应用推荐