TY - BOOK AU - Maheshwari Kavish AU - Gupta Arun Gu. AU - University of Delhi. UCMS & GTB Hospital. Department of Surgery ED - University of Delhi. UCMS & GTB Hospital. Department of Surgery TI - Predicting operative difficulty during laparoscopic cholecystectomy using ultrasonographic criteria validation of scoring system PY - 2014/// KW - MEDICINE ER -