Goel, K., and S. G. Tambe. “A Study to Evaluate Pregnancy With Maternal Heart Disease: A Prospective Observational Study at a Tertiary Care Centre in India”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 10, no. 4, Mar. 2021, pp. 1637-43, doi:10.18203/2320-1770.ijrcog20211150.