AU - Lasser KE, Kronman AC, Cabral H, Samet JH TI - EMergency department use by primary care patients at a safety-net hospital PT - JOUR DP - 2012 TA - Archives of Internal Medicine pages = {278-280}, VI - 172 IP - 3 AID - 10.1001/archinternmed.2011.709 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2011.709 SO - Archives of Internal Medicine February 13, 2012 172(3):278