Kerdtawee, P., Wuttikonsammakit, P., & Chamnan, P. (2019). Efficacy of Intravenous Sedation, Paracervical Block and Paracervical Block with Lidocaine Spray on Pain Relief during Uterine Curettage in First Trimester Incomplete Abortion: Randomized clinical trial. Thai Journal of Obstetrics and Gynaecology, 27(3), 139–148. https://doi.org/10.14456/tjog.2019.18