1. Stoll HL Jr, Schwartz RA: Squamous cell carcinoma, in Fitzpatrick TB, et al (Eds): Dermatology General Medicine (3rd ed). New York, McGraw-Hill, 1987, pp 746–758.
2. Friedman HI, Cooper PH, Wanebo HJ: Prognostic and therapeutic use of microstaging of cutaneous squamous cell carcinoma of the trunk and extremities. Cancer 1985; 56:1099–1105.
3. Abel EA, Sendagorta E, Hoppe RT: Cutaneous malignancies and metastatic squamous cell carcinoma following topical therapies for mycosis fungoides. J Am Acad Dermatol 1986; 14:1029–1038.
4. Scotto J, Fears TR, Fraumeni JF Jr: Incidence of Nonmelanoma Skin Cancer in the United States. NIH Publication No. 83-2433, 1983.
5. Mora RG, Perniciaro C: Cancer of the skin in blacks: I. A review of 163 black patients with cutaneous squamous cell carcinoma. J Am Acad Dermatol 1981; 5:535–543.