Trend of physical development of Czech youth in the 20th century.
D000293:Adolescent; D000886:Anthropometry; D001827:Body Height; D001835:Body Weight; D002648:Child; D003604:Czechoslovakia; D005260:Female; D006128:Growth; D006801:Humans; D008297:Male; D012572:School Health Services; D012737:Sex Factors