TY - JOUR T1 - Blindness and light JF - Canadian Medical Association Journal JO - CMAJ SP - 63 LP - 64 DO - 10.1503/cmaj.091014 VL - 181 IS - 1-2 AU - Vincenzo Pietropaolo Y1 - 2009/07/07 UR - http://www.cmaj.ca/content/181/1-2/63.abstract ER -