title: Aetiology of sarcoidosis.
mesh_terms: D001327:Autoimmune Diseases; D003141:Communicable Diseases; D006680:HLA Antigens; D006801:Humans; D006967:Hypersensitivity; D008206:Lymphatic Diseases; D012507:Sarcoidosis / Q000139:chemically induced / Q000209:etiology* / Q000235:genetics / Q000276:immunology; D014777:Virus Diseases
chemical_list: D006680:HLA Antigens