Induction of labour in case of premature rupture of membranes at term with an unfavourable cervix: protocol for a randomised controlled trial comparing double balloon catheter (+oxytocin) and vaginal prostaglandin (RUBAPRO) treatments - Bruno Pereira; Eric Devillard; Amélie Delabaere; Marion Rouzaire; Marie Accoceberry; Céline Houlle; Lydie Dejou-Bouillet; Pamela Bouchet; Denis Gallot (BMJ Open, 2019)