[The epidemiology of non-specific pulmonary diseases (from material from return visits to an anti-tuberculosis dispensary)].
D006801:Humans; D008171:Lung Diseases / Q000453:epidemiology*
K voprosu ob épidemiologii nespetsificheskikh zabolevaniĭ legkikh (po materialam obrashchaemosti bol'nykh v protivotuberkuleznyĭ dispanser.