The contribution of preterm birth to the Black-White infant mortality gap, 1990 and 2000 |
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Authors: | Schempf Ashley H Branum Amy M Lukacs Susan L Schoendorf Kenneth C |
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Affiliation: | Department of Population, Family and Reproductive Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Md 21205, USA. aschempf@jhsph.edu |
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