AU - Darnall BD, Stacey BR TI - Sex differences in long-term opioid use: Cautionary notes for prescribing in women PT - JOUR DP - 2012 TA - Archives of Internal Medicine pages = {431-432}, VI - 172 IP - 5 AID - 10.1001/archinternmed.2011.1741 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2011.1741 SO - Archives of Internal Medicine March 12, 2012 172(5):431