Chowdhury, S., Kundu, S., Manna, S. S. and Das, A. (2017) “Both babies with sirenomelia’ in twin pregnancy: a case report and review of literature”, International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 4(3), pp. 908–910. doi: 10.18203/2320-1770.ijrcog20150126.