title: The MOPP controversy.
mesh_terms: D004338:Drug Combinations; D006689:Hodgkin Disease / Q000188:drug therapy*; D006801:Humans; D008466:Mechlorethamine / Q000008:administration & dosage*; D011241:Prednisone / Q000008:administration & dosage*; D011344:Procarbazine / Q000008:administration & dosage; D014750:Vincristine / Q000008:administration & dosage*
chemical_list: D004338:Drug Combinations; D011344:Procarbazine; D008466:Mechlorethamine; D014750:Vincristine; D011241:Prednisone