Chandniwala, S. I. “Prevalence of Congenital Anomalies in Babies and Associated Maternal Etiological Factors at Tertiary Care Hospital”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 10, no. 11, Oct. 2021, pp. 4189-93, doi:10.18203/2320-1770.ijrcog20214330.