AU - Pham HH, Landon BE, Reschovsky JD, Wu B, Schrag D TI - RApidity and modality of imaging for acute low back pain in elderly patients PT - JOUR DP - 2009 TA - Archives of Internal Medicine pages = {972-981}, VI - 169 IP - 10 AID - 10.1001/archinternmed.2009.78 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2009.78 SO - Archives of Internal Medicine May 25, 2009 169(10):972