[The hygiene of children and adolescents during the past 50 years].
D000293:Adolescent; D002648:Child; D002669:Child Welfare / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D052756:Nutritional Sciences / Q000266:history; D012572:School Health Services / Q000266:history*; D014586:USSR
Gigiena deteĭ i podrostkov za 50 let.