-
1. Bauer, H, Nowell K. & Packer C. Panthera leo, In: IUCN Red List of Threatened Species, Version 2013
http://www.iucnredlist.org/details/15951/0 -
2. Shamir, H.M., Horowitz, I.H., Yakobson, B., Ofri, R., (1998) Arnold-Chiari malformation in a captive African lion cub. J Wildl Dis.; 34:661-6
http://www.jwildlifedis.org/doi/10.7589/0090-3558-34.3.661?url_ver=Z39.88-2003&rfr_id=ori%3Arid%3Acrossref.org&rfr_dat=cr_pub%3Dpubmed& -
3. Shamir, H.M., Shilo, Y., Fridman, A., Chai, O., Reifen, R., Miara, L. (2008). Sub-occipital craniectomy in a lion (Panthera leo) with occipital bone malformation and hypovitaminosis A. J Zoo Wildl Med, 39:455-9
http://www.ncbi.nlm.nih.gov/pubmed/18817011 -
4. Clubb R, Mason G (2003) Animal welfare: Captivity effects on wide-ranging carnivores. Nature 425: 473-474. doi:10.1038/425473a
http://www.nature.com/nature/journal/v425/n6957/abs/425473a.html -
5. O’Sullivan BM, Mayo FD, Hartley WJ (1977) Neurologic lesions in young captive lions associated with vitamin A deficiency. Aust Vet J 53: 187–189.
http://www.ncbi.nlm.nih.gov/pubmed/869816 -
6. O’Regan HJ, Turner A, Sabin R (2006) Medieval big cat remains from the Royal Menagerie at the Tower of London. Int J Osteoarchaeol 16: 385–394.doi: 10.1002/oa.835.
http://onlinelibrary.wiley.com/doi/10.1002/oa.835/abstract;jsessionid=7E848807A12BAA6918D50928CBD438D0.f02t02 -
7. Chandra AMS, Papendick RE, Schumacher J, Homer BL, Wollenman P (1999) Cerebellar herniation in captive lions (Panthera leo). J Vet Diagn Invest 11: 465–468.
http://www.ncbi.nlm.nih.gov/pubmed/12968763 -
8. Bartsch RC, Imes GD Jr, Smit JPJ (1975) Vitamin A deficiency in captive African lion cubs (Panthera leo) (Linnaeus, 1758). Onderstepoort J Vet Res 42: 43–54.
http://www.ncbi.nlm.nih.gov/pubmed/1208042 -
9. Barnett R, Yamaguchi N, Barnes I, Cooper A (2006) Lost populations and preserving genetic diversity in the lion Panthera leo: Implications for its ex situ conservation. Conserv Genet 7: 507–514. doi: 10.1007/s10592-005-9062-0.
http://link.springer.com/article/10.1007%2Fs10592-005-9062-0 -
10. Burroughs RE, Roos CJ, Ebedes H (1988) Inco-ordination and paresis in a captive lion (Panthera leo). J S Afr Vet Assoc 59: 81–82.
http://www.pubfacts.com/detail/3392706/Inco-ordination-and-paresis-in-a-captive-lion-Panthera-leo. -
11. Zile MH (2001) Function of vitamin A in vertebrate embryonic development.J Nutr 131: 705–708.
http://www.ncbi.nlm.nih.gov/pubmed/11238746 -
12. McCain S, Souza M, Ramsay E, Schumacher J, Hecht S, et al. (2008) Diagnosis and surgical treatment of a Chiari I-like malformation in an African lion (Panthera leo). J Zoo Wildl Med 39: 421–427. doi: 10.1638/2007–0157.1.
http://www.ncbi.nlm.nih.gov/pubmed/18817006 -
13. Saragusty J, Shavit-Meyrav A, Yamaguchi N, Nadler R, Bdolah-Abram T, et al. (2014) Comparative Skull Analysis Suggests Species-Specific Captivity-Related Malformation in Lions (Panthera leo). PLoS ONE 9(4): e94527. doi:10.1371/journal.pone.0094527
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0094527 -
14. Hartley, M. P., R. M. Kirberger, M. Haagenson, and L. Sweers. 2005. Diagnosis of suspected hypovitaminosis A using magnetic resonance imaging in African lions (Panthera leo). J. South Afr. Vet. Assoc. 76: 132–137.
http://www.ncbi.nlm.nih.gov/pubmed/16300180 -
15. Bagley, R. F. 1993. Intracranial surgery. In: Slatter,D. (ed.). Textbook of Small Animal Surgery. W. B. Saunders Co., Philadelphia, Pennsylvania. Pp. 1261–1274.
http://books.google.co.il/books/about/Textbook_of_Small_Animal_Surgery.html?id=B_nh6zSr4wUC&redir_esc=y