The Child and Maternal Halth Division of the Department of National Health and Welfare.
D002170:Canada; D002648:Child; D002662:Child Health Services / Q000266:history*; D002669:Child Welfare / Q000266:history*; D002675:Child, Preschool; D005260:Female; D006266:Health Education / Q000266:history; D049673:History, 20th Century; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D008297:Male; D008427:Maternal Health Services / Q000266:history*; D008428:Maternal Mortality; D008429:Maternal Welfare / Q000266:history*; D011635:Public Health Administration / Q000266:history*