"Combination Drug TherapyPTNCI" . "Drug therapy with two or more drugs given separately or together for a combined effect.NCI" . . . "Therapeutic or Preventive Procedure"^^ . "Combination Drug Therapy"^^ . "Combination_Drug_Therapy"^^ . "Combination Drug Therapy"^^ . "C0013218"^^ . . "C16144"^^ . "Drug Therapy, CombinationSYNCI" .