TI - JUly 1999-april 2000 PT - JOUR DP - 1999 TA - Archives of Surgery pages = {783-784}, VI - 134 IP - 7 AID - 10.1001/archsurg.134.7.783 [doi] 4100 - http://dx.doi.org/10.1001/archsurg.134.7.783 SO - Archives of Surgery July 1, 1999 134(7):783