PT - JOURNAL ARTICLE AU - Nathan G Congdon TI - Prevention strategies for age related cataract: present limitations and future possibilities AID - 10.1136/bjo.85.5.516 DP - 2001 May 01 TA - British Journal of Ophthalmology PG - 516--520 VI - 85 IP - 5 4099 - http://bjo.bmj.com/content/85/5/516.short 4100 - http://bjo.bmj.com/content/85/5/516.full SO - Br J Ophthalmol2001 May 01; 85