AU - Ioannidis JA TI - ARe medical conferences useful? and for whom? PT - JOUR DP - 2012 TA - JAMA pages = {1257-1258}, VI - 307 IP - 12 AID - 10.1001/jama.2012.360 [doi] 4100 - http://dx.doi.org/10.1001/jama.2012.360 SO - JAMA March 28, 2012 307(12):1257