[On a new method for evaluation of surgical risk].
D002319:Cardiovascular System / Q000175:diagnosis*; D006591:Hexobarbital; D006801:Humans; D011300:Preoperative Care; D012306:Risk; D013514:Surgical Procedures, Operative
D006591:Hexobarbital
CARDIOVASCULAR SYSTEM/diagnosis; HEXOBARBITAL; PREOPERATIVE CARE; SURGERY, OPERATIVE