Demographic characteristics of study subjects by groups.
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TB = tuberculosis.LTBI = latent infection with M. tuberculosis.m = male.f = female.n = number of cases.Demographic characteristics of study subjects by groups.
TB（tuberculosis，结核病）；LTBI（latent infection with M. tuberculosis，结核分枝杆菌潜伏感染）；m（male，男性）；f（female，女性）；n（number of cases，病例数）。按分组划分的研究对象人口学特征。
创建时间：
2015-12-03
