1. Diffuse and banded melanin pigmentation in nails;Leyden;Arch Dermatol,1972
2. Melanonychia striata;Kopf;Australas J Dermatol,1980
3. Diffuse nail dyschromia in black patients with systemic lupus erythematosus;Vaughn;J Rheumatol,1990
4. Nail lesions in systemic lupus erythematosus;Urowitz;J Rheumatol,1978
5. The nail in systemic diseases;Tosti,1994