title: [Etiology, pathogenesis and classification of acute pneumonias].
mesh_terms: D000208:Acute Disease; D003937:Diagnosis, Differential; D006801:Humans; D011014:Pneumonia / Q000145:classification / Q000209:etiology* / Q000473:pathology
vernacular_title: Etiologiia, patogenez i klassifikatsiia ostrykh pneumoniĭ