Chaotrakool, C., Hayakungchat, S. and Tangsiriwatthana, T. (2019) “Efficacy of Oral Isosorbide Mononitrate Sustained-release for Pre-induction Cervical Ripening in Term Pregnant Women in an Outpatient Setting: A randomized controlled trial”, Thai Journal of Obstetrics and Gynaecology. Bangkok, Thailand, 27(1), pp. 13–21. doi: 10.14456/tjog.2019.3.