[Hygienic problems of the organization of leisure time of school-children].
D000293:Adolescent; D002648:Child; D005260:Female; D006801:Humans; D007899:Leisure Activities; D008297:Male; D008603:Mental Health; D009934:Organization and Administration; D012572:School Health Services; D012800:Siberia
Gigienicheskie voprosy organizatsii svobodnogo vremeni shkol'nikov