AU - Andruchow JE, MD, MSc, Raja AS, MD, MBA, MPH, Prevedello LM, MD, MPH, Zane RD, MD, Khorasani R, MD, MPH TI - VAriation in head computed tomography use for emergency department trauma patients and physician risk tolerance PT - JOUR DP - 2012 TA - Archives of Internal Medicine pages = {660-661}, VI - 172 IP - 8 AID - 10.1001/archinternmed.2011.2243 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2011.2243 SO - Archives of Internal Medicine April 23, 2012 172(8):660