title: The art of crowd control.
authors: D M
authors: DM
authors: Meade
authors: K
authors: K
authors: Dernocoeur
mesh_terms: D003441:Crowding; D004190:Disasters; D004632:Emergency Medical Services; D006801:Humans; D008402:Mass Media; D016495:Police; D012926:Social Control, Formal / Q000379:methods*; D014481:United States