AU - Cupertino A, Wick JA, Richter KP, Mussulman L, Nazir N, Ellerbeck EF TI - The impact of repeated cycles of pharmacotherapy on smoking cessation: A longitudinal cohort study PT - JOUR DP - 2009 TA - Archives of Internal Medicine pages = {1928-1930}, VI - 169 IP - 20 AID - 10.1001/archinternmed.2009.355 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2009.355 SO - Archives of Internal Medicine November 9, 2009 169(20):1928