The effect of COVID-19 vaccination and booster on maternal-fetal outcomes: a retrospective multicenter cohort study.
medRxiv : the preprint server for health sciences（2022）
摘要
This study was funded by the National Institute for Child Health & Human Development and the William O. and K. Carole Ellison Foundation.
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关键词
vaccination,cohort study,booster,maternal-fetal
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