Yadav, V.; Sharma, J. B.; Kachhawa, G.; Kriplani, A.; Mahey, R.; Dalal, V.; Kriplani, I. Effect of Cardiac Surgery on Maternal and Perinatal Outcome in Rheumatic Heart Disease With Pregnancy: A Comparative Study. Int J Reprod Contracept Obstet Gynecol 2018, 7, 1123-1129.