Assessment of viral methylation levels for high risk HPV types by newly designed consensus primers PCR and pyrosequencing. oleh Anna Gillio-Tos, Valentina Fiano, Chiara Grasso, Morena Trevisan, Silvia Gori, Alessandra Mongia, Laura De Marco, Guglielmo Ronco, New Technologies for Cervical Cancer Screening (NTCC) Working Group