title: Hypersensitivity pneumonias.
mesh_terms: D001229:Aspergillosis, Allergic Bronchopulmonary / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D004342:Drug Hypersensitivity / Q000150:complications / Q000000981:diagnostic imaging; D006801:Humans; D006967:Hypersensitivity / Q000150:complications* / Q000000981:diagnostic imaging; D011014:Pneumonia / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography