1. Elimination of cataract blindness: a global perspective entering the new millennium;Apple;Surv Ophthalmol,2000
2. A global initiative for the elimination of avoidable blindness;Thylefors;Am J Ophthalmol,1998
3. Cataract blindness—challenges for the 21st century;Brian;Bull World Health Organ,2001
4. Global initiative for the elimination of avoidable blindness,1997
5. Cataract: a global public health challenge;Taylor,2001