Aupongkaroon, P., Srinil, C., Sripipattanakul, M., & Tangsiriwatthana, T. (2019). Comparison of Lidocaine Spray in Conjunction with Intrauterine Lidocaine versus Paracervical Block for Pain Relief in Fractional and Curettage: A randomized controlled trial. Thai Journal of Obstetrics and Gynaecology, 27(4), 180–186. https://doi.org/10.14456/tjog.2019.23