Preventive medicine in obstetrics. 1952.
Baird
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D
D002657:Child Development; D049673:History, 20th Century; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D009774:Obstetrics / Q000266:history*; D011315:Preventive Medicine / Q000266:history*; D012606:Scotland / Q000453:epidemiology