TY - BOOK AU - Khanna Vinit AU - Dr. P. K. Bishnoi Gu. AU - University of Delhi. Faculty of Medical Sciences. Department of Surgery ED - University of Delhi. Faculty of Medical Sciences. Department of Surgery TI - Prospective evaluation of risk factors as pre-operative predictors of a difficult laparoscopic cholecystectomy and chances of conversion to open cholecystectomy PY - 2003/// KW - SURGERY ER -