1. Anatomy and physiology;Zaias,1990
2. Anatomy of the nail unit in relation to the distal digit;Morgan,2001
3. Mohs micrographic surgery of the nail unit and squamous cell carcinoma;Zaiac;Dermatol Surg,2001
4. Basic science of the nail unit;Flecman,1997
5. Science of the nail apparatus;Dawber,2001