[Role of additional exercises in physical education with the improvement of health status in schoolchildren].
D002648:Child; D004957:Estonia; D005260:Female; D006801:Humans; D008297:Male; D010806:Physical Education and Training; D012572:School Health Services; D012737:Sex Factors; D013997:Time Factors
Die Rolle zusätzlicher Ubungen in Körpererziehung bei der Verbesserung des Gesundheitszustandes von Schulkindern