The years of children. Part I.
D000293:Adolescent; D002648:Child; D002651:Child Advocacy; D002669:Child Welfare / Q000266:history*; D002675:Child, Preschool; D004739:England; D005260:Female; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007227:Infant Nutritional Physiological Phenomena; D007231:Infant, Newborn; D008297:Male; D014886:Weaning