[Comparative studies on the effectiveness of vitamin K1 and vitamin K2].
D000284:Administration, Oral; D000328:Adult; D006801:Humans; D007275:Injections, Intravenous; D011517:Prothrombin Time; D014812:Vitamin K / Q000494:pharmacology*; D010837:Vitamin K 1 / Q000494:pharmacology*; D014859:Warfarin / Q000037:antagonists & inhibitors
D014812:Vitamin K; D014859:Warfarin; D010837:Vitamin K 1