title: Relapsing polychondritis. Report of two cases with an immunopathological review.
mesh_terms: D000368:Aged; D002356:Cartilage / Q000276:immunology; D006801:Humans; D007111:Immunity, Cellular; D008297:Male; D008875:Middle Aged; D011081:Polychondritis, Relapsing / Q000175:diagnosis / Q000209:etiology / Q000276:immunology*; D011509:Proteoglycans / Q000276:immunology
chemical_list: D011509:Proteoglycans