Lack of inhibitors in coumarin plasma.
D000925:Anticoagulants / Q000494:pharmacology; D001777:Blood Coagulation / Q000187:drug effects*; D003374:Coumarins / Q000494:pharmacology*; D005170:Factor X / Q000032:analysis; D006801:Humans
D000925:Anticoagulants; D003374:Coumarins; D005170:Factor X