Are schools safe? Analysis of 409 student accidents in elementary schools.
D000056:Accident Prevention; D000059:Accidents; D000367:Age Factors; D002648:Child; D006259:Craniocerebral Trauma; D005260:Female; D006801:Humans; D008297:Male; D010988:Play and Playthings; D012572:School Health Services; D012737:Sex Factors; D013997:Time Factors