Inequality and childhood mortality: a comparison of England and Wales, 1911, and the United States, 1900.
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D002669:Child Welfare / Q000266:history*; D003710:Demography; D004470:Economics, Medical / Q000266:history*; D049711:History, Modern 1601-; D013223:Statistics as Topic / Q000266:history*; D014481:United States