1. Apparent hypovitaminosis A in young cattle in East Anglia;ABRAMS;Veterinary Record,1961
2. AGRICULTURAL RESEARCH COUNCIL 1980 The Nutrient Requirements of Ruminant Livestock Farnham Royal, Commonwealth Agricultural Bureaux 269
3. Ocular changes associated with hypovitaminosis A in cattle;BARNETT;British Veterinary Journal,1970
4. The ocular lesions of bovine viral diarrhoea-mucosal disease;BISTNER;Pathologica Veterinaria,1970
5. Blindness and convulsions associated with vitamin A deficiency in feedlot steers;DIVERS;Journal of the American Veterinary Medical Association,1986