1. Histopathology of the nail;Achten,1981
2. The physical properties of the nail;Baden;J. Invest. Dermatol,1970
3. Principal modifications of the normal form of the nail;Baran,1981
4. Nail growth direction revisited: Why do nails grow out instead of up?;Baran;J. Am. Acad. Dermatol,1981
5. Diseases of the Nails and Their Management,1984