1. Ophthalmic anatomy;Samuelson,2007
2. The sense organs and common integument;Sisson,1953
3. The sense organs;Dyce,1996
4. Anatomy and histology of the eye and orbit in domestic animals;Prince,1960
5. A gross, histologic, and histochemical study of the lacrimal apparatus of sheep and goats;Sinha;Am J Vet Res,1996