DOI:
10.1055/s-00000009
American Journal of Perinatology
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References
Centers for Disease Control and Prevention (CDC), National Center for Immunization and Respiratory Diseases (NCIRD), Division of Viral Diseases.
United States COVID-19 Cases and Deaths by State.
Accessed May 31, 2020 at:
https://www.cdc.gov/coronavirus/2019-ncov/cases-updates/cases-in-us.html
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