A. M. Elhusseiny, MD, R. H. El Sheikh, MD, E. Jamerson, MD, I. Y. Swaify, MD, A. B. Araissi, MD, and A. A. Saad, PhD, “Advanced spheroidal degeneration”, Digit J Ophthalmol, vol. 25, no. 4, pp. 68–71, Dec. 2019.