(1)
N., A.; Z., S.; A., S.; H., H.; A., A. H. Effect of Vaginal Progesterone in Combination With Cervical Cerclage on Improved Gestational Age and Perinatal Outcome in Twin Pregnancy: A Prospective Randomized Study. Int J Reprod Contracept Obstet Gynecol 2017, 6, 3224-3229.