Angiography after aortocoronary by-pass grafts.
D000367:Age Factors; D000787:Angina Pectoris / Q000601:surgery; D000792:Angiography; D017023:Coronary Angiography; D001026:Coronary Artery Bypass; D003326:Coronary Circulation; D005500:Follow-Up Studies; D006439:Hemodynamics; D006801:Humans; D011183:Postoperative Complications / Q000000981:diagnostic imaging; D012501:Saphenous Vein / Q000637:transplantation*; D014182:Transplantation, Autologous