余在岁
余在岁-
方法采取多阶段分层系统随机抽样方法，对湖北省9个县（市）10000余名年龄在12~65岁之间的常住居民，进行结核病防治知识问卷调查。
Methods A random sampling method in multistage was developed . Around 10000 permanent residents were visited , 12 to 65 years old in 9 counties . Questionnaire was used to understand the knowledge of prevention and treatment of tuberculosis .