[Chronic pneumonia: collective notion or disease entity?].
D001980:Bronchi / Q000503:physiopathology; D002908:Chronic Disease; D006801:Humans; D008168:Lung / Q000503:physiopathology; D011014:Pneumonia / Q000209:etiology* / Q000503:physiopathology
Khronicheskaia pneumoniia: sobiratel'noe poniatie ili nozologicheskaia forma?