Frequent emergency department visitors: the end of inappropriateness.
Bernstein
Steven L
SL
D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D006300:Health Services Misuse; D006304:Health Status; D006801:Humans; D007348:Insurance, Health; D017057:Medically Uninsured; D008603:Mental Health; D014481:United States