DOI:
10.1055/s-00000009
American Journal of Perinatology
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References
Bi Q. , et al.
Epidemiology and transmission of COVID-19 in Shenzhen China: analysis of 391 cases and 1,286 of their close contacts.
medRxiv 2020;
DOI: 10.1101/2020.03.03.20028423.
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