title: Surveillance snapshot: Medical evacuations from Operation Enduring Freedom (OEF), active and reserve components, U.S. Armed Forces, October 2001-December 2011.
mesh_terms: D055826:Afghan Campaign 2001-; D003130:Combat Disorders / Q000453:epidemiology*; D062665:Epidemiological Monitoring; D006801:Humans; D008889:Military Personnel / Q000706:statistics & numerical data*; D014187:Transportation of Patients; D014481:United States; D014947:Wounds and Injuries / Q000453:epidemiology