title: Calculus, chaos, and other models of emergency department crowding.
authors.forename: W Wesley
authors.initials: WW
authors.lastname: Fields
mesh_terms: D001509:Bed Occupancy; D003441:Crowding; D004636:Emergency Service, Hospital / Q000458:organization & administration*; D006302:Health Services Research; D006801:Humans; D017146:Models, Organizational; D020380:Needs Assessment; D010561:Personnel Staffing and Scheduling / Q000458:organization & administration; D015995:Prevalence; D012107:Research Design; D014481:United States