A classic study of infant mortality--1911-1915.
University of Massachusetts Medical Center, Department of Family and Community Medicine, Worcester 01655.
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Yankauer
D002423:Cause of Death; D049673:History, 20th Century; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D012959:Socioeconomic Factors; D014481:United States / Q000453:epidemiology