between 1968 and 1979 , a total of 271 patients with advanced hodgkin 's disease received as first systemic chemotherapy mopp ( mechlorethamine [ nitrogen mustard ] , oncovin [ vincristine ] , procarbazine and prednisone ) or copp ( as above , but cyclophosphamide instead of nitrogen mustard ) .
C0066789
mopp
C0042679
vincristine