TY - JOUR T1 - Preventing blindness: seeing is believing JF - Canadian Medical Association Journal JO - CMAJ SP - E1 LP - E2 DO - 10.1503/cmaj.111480 VL - 184 IS - 1 AU - Ken Flegel AU - Noni E. MacDonald AU - Matthew B. Stanbrook AU - Astika Kappagoda AU - Paul C. Hébert Y1 - 2012/01/10 UR - http://www.cmaj.ca/content/184/1/E1.abstract ER -