TI - ABout this journal PT - JOUR DP - 2012 TA - JAMA pages = {541}, VI - 307 IP - 6 AID - 10.1001/jama.307.6.541 [doi] 4100 - http://dx.doi.org/10.1001/jama.307.6.541 SO - JAMA February 8, 2012 307(6):541