title: [Certain data on the prevalence of chronic pneumonia].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011014:Pneumonia / Q000453:epidemiology*; D012426:Russia; D012744:Sex Ratio
vernacular_title: Nekotorye dannye o rasprostranennosti khronicheskoĭ pnevmoniĭ