1. [1] Mauldin EA, Peters-Kennedy J : Integumentary system, Pathology of domestic animals volume 1, Maxie GM ed, 6th ed, 704-705, Elesevier, Amsterdam (2015)
2. [2] Michael HG, Kyle HG : Epithelial and melanocytic tumors of the skin, Tumors in domestic animals, Meuten DJ ed, 5th ed, 134-138, John Wiley & Sons, New York (2016)
3. [3] Mauldin EA, Peters-Kennedy J : Integumentary system, Pathology of domestic animals volume 1, Maxie GM ed, 6th ed, 547, Elesevier, Amsterdam (2015)
4. [4] Barkyoumb SD, Leipold HW : Nature and cause of bilateral ocular dermoids in Hereford cattle, Vet Pathol, 21, 316-324 (1984)
5. [5] Alam MM, Rahman MM : A three years retrospective study on the nature and cause of ocular dermoids in cross-bred calves, Open Veterinary Journal, 2, 10-14 (2012), (online), (https://www.openveterinaryjournal.com/2012/OVJ-052-11-11%20M.M.%20Alam%20and%20M.M.%20Rahman.pdf), (accessed 2019-09-30)