TI - ABout this journal PT - JOUR DP - 2011 TA - JAMA pages = {2147}, VI - 305 IP - 21 AID - 10.1001/jama.305.21.2147 [doi] 4100 - http://dx.doi.org/10.1001/jama.305.21.2147 SO - JAMA June 1, 2011 305(21):2147