title: [Intraoperative determination of the efficiency of mammary artery grafts by the hydrogen clearance method].
mesh_terms: D003326:Coronary Circulation; D006801:Humans; D006859:Hydrogen; D007387:Internal Mammary-Coronary Artery Anastomosis / Q000379:methods*; D007432:Intraoperative Period; D009204:Myocardial Revascularization / Q000379:methods*
chemical_list: D006859:Hydrogen