Application of biodegradable collagen matrix (Ologen™) implants in Dacryocystorhinostomy surgeries, a randomized clinical study

by Hatem M. Marey, Hesham M. Elmazar, Sameh S. Mandour, Osama A. El Morsy
Published 2018-09-01

Epidemiology of Vernal Keratoconjunctivitis (VKC) among children aged (12–15) years - Menofia Governorate, Egypt

by Samah M.M Ahmed, Khaled El Ghonemy Said Ahmed, Osama A El Morsy, Shaimaa S Soliman
Published 2019-01-01