1. Bron AJ, Tripathi RC, Tripathi BJ, Wolff E.Wolff’s Anatomy of the Eye and Orbit. Chapman and Hall Medical, London, UK (1997).
2. Snell RL, Lemp MA.Clinical Anatomy of the Eye. Blackwell Science, Oxford, UK (1998).
3. Tyers AG, Collin JRO.Colour Atlas of Ophthalmic Plastic Surgery. Butterworth-Heinemann, Oxford, UK (2001).
4. Number of cell layers of the stratum corneum in normal skin - relationship to the anatomical location on the body, age, sex and physical parameters
5. Wolff E.The Anatomy of the Eye and Orbit Including the Central Connections, Development, and Comparative Anatomy of the Visual Apparatus. The Blakiston Co. PA, USA (1951).