Elevated intraoperative carboxyhemoglobin levels.
D000368:Aged; D002263:Carboxyhemoglobin / Q000378:metabolism*; D006454:Hemoglobins / Q000378:metabolism*; D006801:Humans; D007432:Intraoperative Period; D008297:Male; D012907:Smoking
D006454:Hemoglobins; D002263:Carboxyhemoglobin