AU - Leigh J, Tancredi D, Jerant A, Kravitz RL TI - ANnual work hours across physician specialties PT - JOUR DP - 2011 TA - Archives of Internal Medicine pages = {1211-1213}, VI - 171 IP - 13 AID - 10.1001/archinternmed.2011.294 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2011.294 SO - Archives of Internal Medicine July 11, 2011 171(13):1211