title: [Etiology of chronic pneumonia].
mesh_terms: D000208:Acute Disease; D000328:Adult; D000368:Aged; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011014:Pneumonia / Q000150:complications / Q000209:etiology*; D011023:Pneumonia, Staphylococcal / Q000150:complications; D013290:Streptococcal Infections / Q000150:complications
vernacular_title: K istokam khronicheskoĭ pnevmonii.