4F. Noel Parent MD,Raju H. Gandhi MD,Jock R. Wheeler MD,Roger T. Gregory MD,Stanley O. Snyder MD,Robert G. Gayle MD,Elna M. Masuda MD. Angioscopic evaluation of valvular disruption during in situ saphenous vein bypass[J] 1994,Annals of Vascular Surgery(1):24~30