Progress in laboratory control of oral anticoagulants.
D000284:Administration, Oral; D000925:Anticoagulants / Q000008:administration & dosage / Q000592:standards*; D002138:Calibration; D006801:Humans; D007391:International Cooperation; D007753:Laboratories / Q000592:standards; D009426:Netherlands; D011517:Prothrombin Time; D011786:Quality Control; D012015:Reference Standards; D014944:World Health Organization
D000925:Anticoagulants