2Szpringer E, Lutnickik, MarciniakA. Photodynamic ther- apy-mechanism and employment[J]. Ann univ Mariae Curie Sklodowska, 2004,59(2), 498.
3Dartell M, Rasch V, Munk C, et al. Risk factors for high-risk human papillomavirus detection among HIV-negative anal HIV - positive women from Tanzania[J].Sex Transm Dis,2013,40:737- 743.
4Barzon L, Militello V, Pagni S, et al. Distribution of human papillomavirus types in the anogenital tract of females and males[J].J Med Virol, 201 O, 82 : 1424-1430.