1. KRUPP PH. J. Tuiane University School of Medicine. Comunicación personal. 1982.
2. BARCLAY DL, COLLINS CG. HANSEN, L.H. Patient Problem With Cancer of Vulva Am. J. Obstet. Gynecol 84; 1135, 1962.
3. DISAIA, PH. J. and CREASMAN W.T. Invasive Cancer of the Vulva. Clinical Gynecologic Oncology. The C.V. Mosby Company. 1981. pag. 185.
4. JANOVSKI, N.A. DOUGLAS CH, P. Diseases of the Vulva. Harper and Row, Publishers 1972.
5. KISTNER, R.W. Tratado de Ginecología. Barcelona Ediciones Toray, 1974.