Penicillamine and iron.
D001172:Arthritis, Rheumatoid / Q000188:drug therapy; D003300:Copper / Q000652:urine; D004336:Drug Antagonism; D006801:Humans; D007408:Intestinal Absorption / Q000187:drug effects; D007501:Iron / Q000494:pharmacology* / Q000627:therapeutic use; D010396:Penicillamine / Q000378:metabolism* / Q000627:therapeutic use
D003300:Copper; D007501:Iron; D010396:Penicillamine