[Prevalence of chronic nonspecific lung diseases in 5 regions of the Latvian S.S.R].
D000328:Adult; D001991:Bronchitis / Q000453:epidemiology; D002908:Chronic Disease; D005260:Female; D006801:Humans; D007844:Latvia; D008171:Lung Diseases / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology
Rasprostranennost' khronicheskikh nespetsificheskikh zabolevaniĭ legkikh v 5 raĭonakh Litovskoĭ SSR.