A. M. Dalloul, Y. M. Suleiman, and N. F. Krdoghly, “Studying the changes of corneal endothelium cells in patients with spherical refractive errors”, JMPS, vol. 6, no. 1, pp. 1–17, Mar. 2022, doi: 10.26389/AJSRP.D080821.