Tyagi, S., Agarwal, R. K., Agrawal, M., Kapoor, M. and 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), pp. 3383–3388. doi: 10.18203/2320-1770.ijrcog20213455.