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