Tyagi, S., Agarwal, R. K., Agrawal, M., Kapoor, M., & Tiwari, S. (2021). Study of vertical transmission of COVID-19 infection in COVID-19 positive obstetrical patients by comparing amniotic fluid and immediate neonatal COVID-19 RT-PCR. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 10(9), 3383–3388. https://doi.org/10.18203/2320-1770.ijrcog20213455