1. Exotic animal ophthalmology;Kern,1999
2. Diseases of the eye and ocular adnexa in reptiles;Millichamp;J Am Vet Med Assoc,1983
3. The eye;Wilcock,1989
4. Laboratory animal ophthalmology;Williams,1999
5. The amphibian eye—a clinical review;Williams;J Zoo Wildl Med,1994