title: Letter regarding article by Khot et al, "Radial artery bypass grafts have an increased occurrence of angiographically severe stenosis and occlusion compared with left internal mammary arteries and saphenous vein grafts" .
authors.forename: Shahzad G
authors.initials: SG
authors.lastname: Raja
mesh_terms: D001161:Arteriosclerosis / Q000453:epidemiology; D015986:Confounding Factors, Epidemiologic; D001026:Coronary Artery Bypass / Q000379:methods* / Q000706:statistics & numerical data; D023903:Coronary Restenosis / Q000453:epidemiology* / Q000209:etiology / Q000601:surgery; D006801:Humans; D006965:Hyperplasia; D007387:Internal Mammary-Coronary Artery Anastomosis / Q000706:statistics & numerical data; D008323:Mammary Arteries / Q000637:transplantation*; D009928:Organ Specificity; D017534:Radial Artery / Q000637:transplantation*; D012189:Retrospective Studies; D012501:Saphenous Vein / Q000473:pathology / Q000637:transplantation*; D017539:Tunica Intima / Q000473:pathology