title: Darkness and light.
authors.forename: Charles R
authors.initials: CR
authors.lastname: Meyer
mesh_terms: D000401:Aircraft; D004190:Disasters; D006801:Humans; D009519:New York City; D010819:Physician's Role / Q000523:psychology; D013313:Stress Disorders, Post-Traumatic / Q000523:psychology / Q000628:therapy*; D023481:Terrorism / Q000523:psychology*