AU - Chang HJ, Fontanarosa PB TI - INtroducing the jama clinical challenge PT - JOUR DP - 2011 TA - JAMA pages = {1910}, VI - 305 IP - 18 AID - 10.1001/jama.2011.625 [doi] 4100 - http://dx.doi.org/10.1001/jama.2011.625 SO - JAMA May 11, 2011 305(18):1910