TI - PEdiatric surgery PT - JOUR DP - 1999 TA - JAMA pages = {667-668}, VI - 281 IP - 7 AID - 10.1001/jama.281.7.667 [doi] 4100 - http://dx.doi.org/10.1001/jama.281.7.667 SO - JAMA February 17, 1999 281(7):667