Distance and the decision to visit an emergency department.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002391:Catchment Area, Health; D002648:Child; D002675:Child, Preschool; D003657:Decision Making; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D005260:Female; D005843:Geography; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D009864:Ontario; D010821:Physicians, Family