Nigam, S., K. Shankar, and T. R. Varma. “Recurrent Non Immune Hydrops Fetalis: A Case Report”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 5, no. 5, Jan. 2017, pp. 1640-2, doi:10.18203/2320-1770.ijrcog20161341.