[Results of survey on emergency medical care system for children in the National Hospitals].
D002648:Child; D002675:Child, Preschool; D004636:Emergency Service, Hospital; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases; D007564:Japan; D010372:Pediatrics; D010820:Physicians / Q000600:supply & distribution; D000078329:Workforce