“…, 1983;zur Hausen et al, 1984;zur Hausen, 1985;Reid et al, 1984;Gissmann and Schneider, 1986). HPV-16 (Ikenberg et al, 1983;Boshart et al, 1984) and, less frequently, HPV-18 and HPV-33 are associated with cervical and vulvar pre-cancerous lesions and cervical and anogenital carcinomas (Di Paola et al, 1982;Diirst et al, 1983). However, HPV-16 is also associated with bowenoid papulosis (BP) (Diirst et al, 1983;Gross et al, 1985Gross et al, , 1986Obalek et al, 1986), a multifocal disease of external genitalia with histological features of Bowen's atypia, usually regressing spontaneously after a duration of several months or years.…”