Safe per-operative anticoagulation.
D000925:Anticoagulants / Q000009:adverse effects / Q000627:therapeutic use*; D001780:Blood Coagulation Tests; D006801:Humans; D008297:Male; D008508:Medication Errors; D008875:Middle Aged; D011183:Postoperative Complications / Q000517:prevention & control*; D011517:Prothrombin Time; D013923:Thromboembolism / Q000517:prevention & control*; D014812:Vitamin K / Q000627:therapeutic use
D000925:Anticoagulants; D014812:Vitamin K