1. 1 Gelatt KN. The canine glaucomas. In: Veterinary Ophthalmology. (ed. Gelatt KN). Lea & Febiger: Philadelphia, 1991; 396 428.
2. 2 Slatter D. Fundamentals of Veterinary Ophthalmology, Vol. 1. 2nd edn,. W.B. Saunders Co.: Philadelphia, 1990.
3. 3 Collins B & Moore CP. Canine anterior uvea. In: Veterinary Ophthalmology Ed. by Gelatt KN. Lea & Febiger: Philadelphia, 1991; pp. 357 395.
4. Clinical and histologic features of pigmented ocular cysts.;Carter;Journal of the American Animal Hospital Association,1970
5. Primary and secondary iris cysts.;Hildreth;Journal of the American Optometric Association,1991