Is a planned cesarean necessary in twin pregnancies? - Vendittelli, F; Rivière, O; Crenn-Hébert, C; Riethmuller, D; Schaal, J P; Dreyfus, M (Acta Obstet Gynecol Scand, 2011)
. Doi: 10.1111/j.1600-0412.2011.01130.x