DOI: 10.1055/s-00000009

American Journal of Perinatology

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Referenz

American College of Obstetricians and Gynecologists.
Novel coronavirus 2019 (COVID-19).
Available at:
https://www.acog.org/clinical/clinical-guidance/practice-advisory/articles/2020/03/novel-coronavirus-2019# . Accessed April 9, 2020

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