title: Pneumocystis carinii pneumonia in drug addict.
mesh_terms: D000328:Adult; D006556:Heroin Dependence / Q000150:complications*; D006801:Humans; D008297:Male; D011020:Pneumonia, Pneumocystis / Q000150:complications* / Q000000981:diagnostic imaging / Q000473:pathology; D011859:Radiography