AU - Powers A, Cook G TI - POtential safety signals and their significance PT - JOUR DP - 2012 TA - Archives of Internal Medicine pages = {72-73}, VI - 172 IP - 1 AID - 10.1001/archinternmed.2011.525 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2011.525 SO - Archives of Internal Medicine January 9, 2012 172(1):72