Incidence, etiology and natural history of pulmonary suppuration.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D007194:India; D007223:Infant; D008169:Lung Abscess / Q000453:epidemiology* / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D013492:Suppuration