S. K. Elango, K. Nevetha, and A. ., “Successful conservative treatment of a caesarean scar twin pregnancy with systemically administered methotrexate and subsequent uterine artery embolization: a rare case report”, Int J Reprod Contracept Obstet Gynecol, vol. 11, no. 3, pp. 979–982, Feb. 2022.