Charoenniwetnukul, V.; Chanrachakul, B.; Herabutya, Y.; Israngura Na Ayudhya, N. Single Oral Dose Ibuprofen for Pain Relief in Fractional Curettage under Paracervical Block: A Double-Blind Randomized Controlled Trial. Thai J Obstet Gynaecol 2017, 15, 15-20.