Changing trends and opportunities in pediatric emergency care.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003153:Community Health Services; D004632:Emergency Medical Services / Q000706:statistics & numerical data*; D004636:Emergency Service, Hospital; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D010372:Pediatrics