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This comment refers to an article available at http://link.springer.com/article/10.1007/s13524-012-0161-5
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James, W.H. An Environmental Cause Common to Sex Determination and Infant Mortality. Demography 52, 2051–2052 (2015). https://doi.org/10.1007/s13524-015-0436-8
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DOI: https://doi.org/10.1007/s13524-015-0436-8