TI - REsearch letters PT - JOUR DP - 2010 TA - Archives of Internal Medicine pages = {1269-1277}, VI - 170 IP - 14 AID - 10.1001/archinternmed.2010.246 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2010.246 SO - Archives of Internal Medicine July 26, 2010 170(14):1269