1Wing DA et al. Misoprostol :An effective agent for cervical ripening and labor induction. Am J Obstet Gynecol, 1995, 172 (6) : 1811~1816.
2Ngai SU et al. Cervical priming with oral misoprostol in pre-labor rupture of membrane at term. Obstet & Gynecol. 1996,87(6):923~926.
3Miriam Zieman et al. Absorption kinetics of misoprostol with oral or vaginal administration. Obstet & Gynecol, 1997,90 (1): 88~92.
4Pak-chung Ho et al. Vaginal misoprostol compared with oral misorostol in termination of second-trimester pregnancy. Obstet Gynecol, 1997,90(5): 735~738.
5Fletcher HM et al. Inravaginal misoprostol as a cervical ripening agent. Br J Obstet Gynecol, 1993, (6) .. 641~644.