title: Clinical-immunologic correlates: a differential diagnostic update. Hypersensitivity pneumonitis.
mesh_terms: D000208:Acute Disease; D000542:Alveolitis, Extrinsic Allergic / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000276:immunology / Q000628:therapy; D000937:Antigen-Antibody Reactions; D001716:Bird Fancier's Lung / Q000276:immunology; D001985:Bronchial Provocation Tests; D002908:Chronic Disease; D003176:Complement C3 / Q000032:analysis; D003937:Diagnosis, Differential; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis; D007428:Intradermal Tests; D008168:Lung / Q000000981:diagnostic imaging; D011379:Prognosis; D011859:Radiography; D013997:Time Factors
chemical_list: D003176:Complement C3; D007074:Immunoglobulin G