W. M. Abuelghar, A. G. Elkholy, I. A. Abdelazim, I. Serag, K. I. Abdallah, and M. M. Ahmed, “Endometrial Volume, and Sub-Endometrial Blood Flow Indices as Predictors of ICSI Success”, Gynecol Obstet Reprod Med, vol. 24, no. 1, pp. 27–33, Apr. 2018.