Evaluation of the effectiveness of obstetric lubricant gel in labor in nulliparous and primiparous women: a randomized controlled study. - BAYDEMIR, Sahin Kaan; YILDIRIM BAYDEMIR, Bircan; ULUSOY, Can Ozan; GOKCE, Ali; YUCE, Tuncay; SOYLEMEZ, Feride (Jinekoloji-Obstetrik & Neonatoloji Tip Dergisi, 2025)