array(2) { ["lab"]=> string(3) "997" ["publication"]=> string(4) "7695" } Racial/ethnic differences in preterm perinatal outcomes. - KPNC | LabXing

KPNC

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大学 University of California, San Francisco / Department of Epidemiology and Biostatistics
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Racial/ethnic differences in preterm perinatal outcomes.

2017
期刊 American Journal of Obstetrics and Gynecology
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