the southwest oncology group ( swog ) performed a randomized study ( swog 7518 , car 2 ) of chemotherapy using ten courses of nitrogen mustard , vincristine , procarbazine , and prednisone ( mopp ) plus low-dose bleomycin ( ldb ) , versus three courses of combined therapy , mopp + ldb plus radiotherapy ( xrt ) from october , 1974 , to april 1980 , in pathologic stage iii hodgkin 's disease .
C0042679
vincristine
C0066789
mopp