[Comparative study of coronary artery bypass to the left anterior descending artery using internal mammary artery grafts and saphenous vein grafts].
D000328:Adult; D000368:Aged; D001026:Coronary Artery Bypass / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D008323:Mammary Arteries / Q000637:transplantation*; D008875:Middle Aged; D012501:Saphenous Vein / Q000637:transplantation*; D013895:Thoracic Arteries / Q000637:transplantation*