1. Global data on blindness.;Thylefors;Bull World Health Organ,1995
2. Trachoma: new opportunities to tackle an old problem.;Thylefors;Br J Ophthalmol,1996
3. Epidemiology of blindness and eye disease.;Krumpasky;Ophthalmologica,1996
4. Trachoma in Saudi Arabia.;Tabbara;Ophthalmic Epidemiol,1997
5. Trachoma in eastern province of Saudi Arabia.;Chandra;Rev Int Trach Pathol Ocul Trop Subtrop Sante Publique,1992