Likkasittipan N, Wiriyasirivaj B. Effect of Lidocaine Gel for Pain Relief during Endometrial Sampling: A double-blinded randomized controlled trial. Thai J Obstet Gynaecol [internet]. 2021 Sep. 1 [cited 2026 Sep. 29];29(5):273-80. available from: https://he02.tci-thaijo.org/index.php/tjog/article/view/241574