Gupta, N., D. Shah, U. Singh, and A. Tiwari. “Antenatal Diagnosis of Large Sacro-Coccygeal Teratoma With Foetal Cardiomegaly and Hydrops”. Kathmandu University Medical Journal, vol. 6, no. 3, Apr. 2009, pp. 383-5, doi:10.3126/kumj.v6i3.1717.