1. Carcinoma in situ of the vulva;Buscema;Obstet Gynecol,1980
2. Carcinoma in situ of the vulva: a continuing challenge;Friedrich;Am J Obstet Gynecol,1980
3. Vulvar atypia and carcinoma in situ;Woodruff;J Reprod Med,1976
4. Viruses and cancer of the lower genital tract;Josey;Cancer,1976
5. Human papillomaviruses and their possible role in squamous cell carcinomas;Zur Hausen,1977