2E. Jovine,A. Mazziotti,G. L. Grazi,G. Ercolani,M. Masetti,M. Morganti,F. Pierangeli,B. Begliomini,P. G. Mazzetti,R. Rossi,R. Paladini,A. Cavallari. Piggy-back versus conventional technique in liver transplantation: report of a randomized trial[J] 1997,Transplant International(2):109~112