RT Journal Article SR Electronic T1 Vitamin A deficiency in coeliac disease JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 1075 OP 1075 DO 10.1136/bjo.84.9.1075e VO 84 IS 9 A1 AMAR ALWITRY YR 2000 UL http://bjo.bmj.com/content/84/9/1075.6.abstract AB