DOI: 10.1055/s-00000009

American Journal of Perinatology

References

Lewnard JA, Liu VX, Jackson ML. et al.
Incidence, clinical outcomes, and transmission dynamics of severe coronavirus disease 2019 in California and Washington: prospective cohort study.

BMJ 2020;
369: m1923
DOI: 10.1136/bmj.m1923.

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