AU - Groner JI TI - PEdiatric surgery PT - JOUR DP - 2012 TA - JAMA pages = {2151}, VI - 308 IP - 20 AID - 10.1001/jama.308.20.2151-a [doi] 4100 - http://dx.doi.org/10.1001/jama.308.20.2151-a SO - JAMA November 28, 2012 308(20):2151