AU - Margolis DM TI - ELmo's story PT - JOUR DP - 2012 TA - Archives of Internal Medicine pages = {185}, VI - 172 IP - 2 AID - 10.1001/archinternmed.2011.793 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2011.793 SO - Archives of Internal Medicine January 23, 2012 172(2):185