RT Journal Article SR Electronic T1 Refrigerator blindness: selective loss of visual acuity in association with a common foraging behaviour JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1494 OP 1495 VO 173 IS 12 A1 Andrew J. Macnab A1 Mary Bennett YR 2005 UL http://www.cmaj.ca/content/173/12/1494.abstract