Sustained-release dinoprostone vaginal pessary with concurrent high-dose oxytocin infusion compared to sustained-release dinoprostone vaginal pessary followed 6 h later by high-dose oxytocin infusion for labor induction in women at term with unfavorable cervix: a randomized controlled trial - Güngördük, K; Yildirim, G; Güngördük, O; Ark, C; Tekirdağ, I (Gynecol Obstet Invest, 2011)