Thakur, S., S. Kaushal, H. Kaur, and A. Kaundal. “Safe Obstetric Anesthesia Practice-COVID-19”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 10, no. 12, Nov. 2021, pp. 4609-13, doi:10.18203/2320-1770.ijrcog20214675.