title: Moving closer to an operational definition for ED crowding.
authors.forename: Jessie M
authors.initials: JM
authors.lastname: Pines
mesh_terms: D003441:Crowding; D003625:Data Collection; D004636:Emergency Service, Hospital / Q000145:classification / Q000706:statistics & numerical data*; D006801:Humans; D009741:Nursing Staff, Hospital; D013997:Time Factors; D016526:Workload / Q000706:statistics & numerical data*