RT Journal Article SR Electronic T1 Nutritional Ophthalmology JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 591 OP 592 DO 10.1136/bjo.65.8.591-b VO 65 IS 8 A1 Fisher, R. F. YR 1981 UL http://bjo.bmj.com/content/65/8/591.3.abstract AB