1. Balch CM, Cascinelli N, Drzewiecki KT, Eldh G, MacKie RM, McCarthy WH, et al. 1992. A comparison of prognostic figures worldwide. In CM Balch, AN Houghton, GW Milton, AJ Sober, S Soong (eds), Cutaneous Melanoma, 2nd ed. Philadelphia: JB Lippincott, p. 194.
2. Fitzpatrick TB, Milton GW, Balch CM, Shaw HM, McCarthy WH, Sober AJ. 1992. Clinical characteristics. In CM Balch, AN Houghton, GW Milton, AJ Sober, S Soong (eds), Cutaneous Melanoma, 2nd ed. Philadelphia: JB Lippincott, pp 229–230.
3. Friedman RJ, Rigel DS. 1985. The clinical features of malignant melanoma. Dermatol Clin 3:271–283.
4. McGovern TW, Litaker MS. 1991. Clinical predictors of malignant pigmented lesions. A comparison of the Glasgow seven-point checklist and the American Cancer Society’s ABCDs of pigmented lesions. J Dermatol Surg Oncol. 18:22–26.
5. Koh HK. 1991. Cutaneous melanoma. N Engl J Med 325:171–182.