title: Heroes lost--11 September 2001.
authors.forename: Robert F
authors.initials: RF
authors.lastname: Avant
mesh_terms: D005194:Family Practice / Q000266:history*; D049674:History, 21st Century; D006801:Humans; D011315:Preventive Medicine / Q000266:history; D023481:Terrorism / Q000266:history*; D014481:United States