REFERENCES
- Prevention of Blindness Program. Global Initiative for the Elimination of Avoidable Blindness: Vision 2020—The Right To Sight. Geneva : WHO, Fact Sheet 213, 2000.
- Prevention of Blindness Program. Global Initiative for the Elimination of Avoidable Blindness: Vision 2020—The Right To Sight. Geneva : WHO, Press Release WHO 12, February 17, 1999.