title: Four-legged heroes at ground zero.
authors.forename: L J
authors.initials: LJ
authors.lastname: DiVita
mesh_terms: D000401:Aircraft; D000818:Animals; D004190:Disasters; D004285:Dogs; D006801:Humans; D009519:New York City; D018635:Rescue Work; D023481:Terrorism; D014768:Virginia