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Vitamin A deficiency in treated cystic fibrosis: case report.
  1. M. O'Donnell and
  2. J. F. Talbot
  1. Department of Ophthalmology, Royal Hallamshire Hospital, Sheffield.


    We describe a patient with cystic fibrosis and hepatic involvement who, although on pancreatic extract, developed vitamin A deficiency, night blindness, and a characteristic fundus picture. All of these abnormalities were reversed by oral vitamin A supplementation.

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