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. 2020 Aug 5;37(Suppl 2):S31–S38. doi: 10.1055/s-0040-1714346

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Fig. 1 — The difficult-to-solve puzzle of maternal–fetal transmission of SARS-CoV-2 and expression of receptor of the angiotensin-2 converting enzyme (ACE-2-R). SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.