Phone screen effective in reducing ED pediatric visits.
D002648:Child; D002662:Child Health Services; D002675:Child, Preschool; D003376:Counseling; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D006746:Hospital Bed Capacity, 500 and over; D006801:Humans; D007223:Infant; D009864:Ontario; D013689:Telephone