AU - Zinberg JM TI - WHen patients call, will physicians respond? PT - JOUR DP - 2011 TA - JAMA pages = {2011-2012}, VI - 305 IP - 19 AID - 10.1001/jama.2011.661 [doi] 4100 - http://dx.doi.org/10.1001/jama.2011.661 SO - JAMA May 18, 2011 305(19):2011