Bzhalava, D; Guan, P; Franceschi, S; Dillner, J; Clifford, G (2013), «A systematic review of the prevalence of mucosal and cutaneous human papillomavirus types», Virology, 445 (1–2): 224–31, PMID23928291, doi:10.1016/j.virol.2013.07.015
Bzhalava, D; Guan, P; Franceschi, S; Dillner, J; Clifford, G (2013), «A systematic review of the prevalence of mucosal and cutaneous human papillomavirus types», Virology, 445 (1–2): 224–31, PMID23928291, doi:10.1016/j.virol.2013.07.015