Ascorbic acid and warfarin.
D000818:Animals; D001205:Ascorbic Acid / Q000008:administration & dosage*; D001206:Ascorbic Acid Deficiency / Q000188:drug therapy; D004347:Drug Interactions; D006168:Guinea Pigs; D014859:Warfarin / Q000008:administration & dosage*
D014859:Warfarin; D001205:Ascorbic Acid