title: Effects of external and internal factors on emergency department overcrowding.
authors.forename: Gerard
authors.initials: G
authors.lastname: Espinosa
authors.forename: Oscar
authors.initials: O
authors.lastname: Miró
authors.forename: Miquel
authors.initials: M
authors.lastname: Sánchez
authors.forename: Blanca
authors.initials: B
authors.lastname: Coll-Vinent
authors.forename: José
authors.initials: J
authors.lastname: Millá
mesh_terms: D003441:Crowding; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D006801:Humans; D013030:Spain; D013997:Time Factors