Chamnan, Sukanya, and Suttida Intharaburan. 2016. “Comparison of Sublingual and Vaginal Misoprostol for Cervical Ripening before Curettage: A randomized controlled trial”. Thai Journal of Obstetrics and Gynaecology 24 (1). Bangkok, Thailand:43-49. https://doi.org/10.14456/tjog.2016.13.