Cyclophosphamide vs melphalan in myeloma.
D003520:Cyclophosphamide / Q000627:therapeutic use*; D006801:Humans; D008558:Melphalan / Q000627:therapeutic use*; D009101:Multiple Myeloma / Q000188:drug therapy* / Q000401:mortality
D003520:Cyclophosphamide; D008558:Melphalan