Ramkumar, J., Sagayaraj, B. M. and Sharma, N. (2019) “Maternal Risk Factors Predisposing to Congenital Heart Disease”, Current Trends in Medicine and Medical Research Vol. 3, pp. 117-123. Available at: https://stm1.bookpi.org/index.php/ctmmr-v3/article/view/155 (Accessed: 19June2026).