title: Witnessing horror at the World Trade Center.
authors.forename: Kevin V
authors.initials: KV
authors.lastname: Kelly
mesh_terms: D001601:Bereavement; D004325:Dreams / Q000523:psychology; D005390:Fires / Q000517:prevention & control; D005500:Follow-Up Studies; D006801:Humans; D008016:Life Change Events; D009519:New York City / Q000453:epidemiology; D009784:Occupational Diseases / Q000453:epidemiology* / Q000523:psychology; D015995:Prevalence; D018635:Rescue Work / Q000706:statistics & numerical data*; D012307:Risk Factors; D047851:September 11 Terrorist Attacks / Q000523:psychology* / Q000706:statistics & numerical data; D013313:Stress Disorders, Post-Traumatic / Q000453:epidemiology* / Q000523:psychology