AU - Starfield B TI - THe geographic accessibility of retail clinics for underserved populations—invited commentary PT - JOUR DP - 2009 TA - Archives of Internal Medicine pages = {950-951}, VI - 169 IP - 10 AID - 10.1001/archinternmed.2009.110 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2009.110 SO - Archives of Internal Medicine May 25, 2009 169(10):950