title: Relapsing polychondritis. Presentation of 4 cases.
mesh_terms: D000368:Aged; D000818:Animals; D001168:Arthritis / Q000150:complications; D001323:Autoantibodies / Q000032:analysis; D002356:Cartilage / Q000032:analysis; D003094:Collagen / Q000276:immunology; D005260:Female; D006801:Humans; D007111:Immunity, Cellular; D008297:Male; D008875:Middle Aged; D011081:Polychondritis, Relapsing / Q000150:complications / Q000175:diagnosis* / Q000209:etiology / Q000276:immunology; D011509:Proteoglycans / Q000276:immunology; D051381:Rats; D014657:Vasculitis / Q000150:complications
chemical_list: D001323:Autoantibodies; D011509:Proteoglycans; D003094:Collagen