[1]
S. Khedar, P. Mital, L. Rajoria, D. Gupta, U. Shekhawat, and S. Singhal, “A case-control study to evaluate risk factors for ectopic pregnancy”, Int J Reprod Contracept Obstet Gynecol, vol. 5, no. 8, pp. 2828–2835, Jan. 2017.