AU - Kooy A, de Jager J, Lehert P, et al TI - LOng-term effects of metformin on metabolism and microvascular and macrovascular disease in patients with type 2 diabetes mellitus PT - JOUR DP - 2009 TA - Archives of Internal Medicine pages = {616-625}, VI - 169 IP - 6 AID - 10.1001/archinternmed.2009.20 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2009.20 SO - Archives of Internal Medicine March 23, 2009 169(6):616