[Work load of schoolchildren and assessment of daily-program hygiene].
D000203:Activities of Daily Living; D000293:Adolescent; D002648:Child; D004493:Education; D006801:Humans; D010988:Play and Playthings; D011044:Poland; D012424:Rural Population; D012572:School Health Services; D012621:Seasons; D012890:Sleep; D013997:Time Factors; D014505:Urban Population
Untersuchungen über die Belastung der Schulkinder und Beurteilung der Hygiene des Tagesablaufes