[Increased motor activity of school children as a health-improvement factor].
D000293:Adolescent; D002648:Child; D004957:Estonia; D005260:Female; D006801:Humans; D008297:Male; D010806:Physical Education and Training; D012572:School Health Services
Povyshenie dvigatel'noĭ aktivnosti shkol'nikov kak faktor ukrepleniia zdorov'ia.