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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 |
| Affiliation: | Department of Population, Family and Reproductive Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Md 21205, USA. aschempf@jhsph.edu |
| Abstract: | |
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| 本文献已被 PubMed 等数据库收录！ | |