TI - NOt available PT - JOUR DP - 1999 TA - Archives of Surgery pages = {679}, VI - 134 IP - 6 AID - 10.1001/archsurg.134.6.679 [doi] 4100 - http://dx.doi.org/10.1001/archsurg.134.6.679 SO - Archives of Surgery June 1, 1999 134(6):679