Narfström, Kristina; David, Victor; Jarret, Oswald; Beatty, Julia; Barrs, Vanessa; Wilkie, David; O’Brien, Stephen; Menotti-Raymond, Marilyn (2009-09-01). "Retinal degeneration in the Abyssinian and Somali cat (rdAc): correlation between genotype and phenotype and rdAc allele frequency in two continents". Veterinary Ophthalmology. 12 (5): 285–291. doi:10.1111/j.1463-5224.2009.00710.x. ISSN1463-5224. PMID19751487.
Narfström, Kristina; David, Victor; Jarret, Oswald; Beatty, Julia; Barrs, Vanessa; Wilkie, David; O’Brien, Stephen; Menotti-Raymond, Marilyn (2009-09-01). "Retinal degeneration in the Abyssinian and Somali cat (rdAc): correlation between genotype and phenotype and rdAc allele frequency in two continents". Veterinary Ophthalmology. 12 (5): 285–291. doi:10.1111/j.1463-5224.2009.00710.x. ISSN1463-5224. PMID19751487.
Narfström, Kristina; David, Victor; Jarret, Oswald; Beatty, Julia; Barrs, Vanessa; Wilkie, David; O’Brien, Stephen; Menotti-Raymond, Marilyn (2009-09-01). "Retinal degeneration in the Abyssinian and Somali cat (rdAc): correlation between genotype and phenotype and rdAc allele frequency in two continents". Veterinary Ophthalmology. 12 (5): 285–291. doi:10.1111/j.1463-5224.2009.00710.x. ISSN1463-5224. PMID19751487.