Chelala, E., Rami, H. E., Dirani, A., Fadlallah, A., Fakhoury, O., & Warrak, E. (2013). Photorefractive keratectomy in patients with mild to moderate stable keratoconus: A five-year prospective follow-up study. Dove Medical Press.

Chelala, Elias, Hala El Rami, Ali Dirani, Ali Fadlallah, Omar Fakhoury, and Elias Warrak. Photorefractive Keratectomy in Patients With Mild to Moderate Stable Keratoconus: A Five-year Prospective Follow-up Study. Dove Medical Press, 2013.

Chelala, Elias, et al. Photorefractive Keratectomy in Patients With Mild to Moderate Stable Keratoconus: A Five-year Prospective Follow-up Study. Dove Medical Press, 2013.