Neonatology--then and now. Vitamin K (1961).
Walker
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D049673:History, 20th Century; D006801:Humans; D007231:Infant, Newborn; D009359:Neonatology / Q000266:history*; D012606:Scotland; D014812:Vitamin K / Q000266:history* / Q000627:therapeutic use; D006475:Vitamin K Deficiency Bleeding / Q000188:drug therapy
D014812:Vitamin K