Shanmugham, D., Vidhyalakshmi, R. K. and Varghese, J. (2018) “Evaluation of tubal patency in infertile patients with saline infusion sonosalpingogram”, International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 7(7), pp. 2590–2595. doi: 10.18203/2320-1770.ijrcog20182411.