D. Muthukrishnan and P. Janakiraman, “Successful conservative management of viable caesarean scar pregnancy with systemically administered methotrexate followed by ultrasound guided ethanol ablation of gestational sac: a rare case report”, Int J Reprod Contracept Obstet Gynecol, vol. 11, no. 6, pp. 1782–1784, May 2022.