AU - Watkins L, Cornwell III EE TI - DEpartment of surgery, the johns hopkins medical institutions PT - JOUR DP - 2003 TA - Archives of Surgery pages = {239-240}, VI - 138 IP - 3 AID - 10.1001/archsurg.138.3.239 [doi] 4100 - http://dx.doi.org/10.1001/archsurg.138.3.239 SO - Archives of Surgery March 1, 2003 138(3):239