Psychiatric emergency services in Canada.
O'Regan
J B
JB
D002170:Canada / Q000453:epidemiology; D003430:Cross-Sectional Studies; D004637:Emergency Services, Psychiatric / Q000706:statistics & numerical data*; D006801:Humans; D015994:Incidence; D001523:Mental Disorders / Q000453:epidemiology*; D014505:Urban Population