1. Disorders of skin colour;Bleehen,1992
2. Neoplasms: Benign neoplasms, hyperplasias, and dysplasias of melanocytes;Rhodes,1987
3. Lentigo: unilateral distribution. Report of a case;McKelway;N Y Med J,1904
4. Pigmented unilateral nevus-like lentigo;Shumate;Arch Dermatol Syph,1941
5. A case of unilateral lentigines with mental deficiency;Cappon;Br J Dermatol,1984