Prevalence of previously unknown tuberculosis in persons not participating in mass chest roentgenographic surveys.
D001699:Biometry; D003625:Data Collection; D006801:Humans; D015995:Prevalence; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology* / Q000706:statistics & numerical data*
TUBERCULOSIS, PULMONARY/epidemiology and statistics