B., M., and H. R. “Assessment of Pain Relief Following Intrauterine Lignocaine in Addition to Paracervical Block for Fractional Curettage”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 5, no. 12, Dec. 2016, pp. 4410-4, doi:10.18203/2320-1770.ijrcog20164354.