K. R. Devi, R. K. P. Devi, J. Priya, A. Sanaton, L. R. Singh, and L. Murray, “A study of congenital anomalies in a tertiary care hospital in North East region, India”, Int J Reprod Contracept Obstet Gynecol, vol. 7, no. 7, pp. 2899–2903, Jun. 2018.