1. Pathogenesis in genitoanal papilloma virus infection Karlstad, Sweden,1989
2. Heterogeneity of the human papilomavirus group;de Villiers;J Virol,1989
3. Human papillomaviruses: Physical mapping and genetic heterogeneity;Gissmann;Proc Natl Acad Sci USA,1976
4. Human papillomaviruses and carcinomas;Galloway;Adv Virus Res,1989
5. Human papillomavirus infection of the genital tract;Turner;Prog Dermatol,1989