UICC HPV and Cervical Cancer Curriculum Chapter 2.d. Screening and diagnosis - HPV analysis and typing Prof. Suzanne Garland, MD; Prof. Sepehr Tabrizi.
Cancer Burden in the year 2000. The global picture D.M.Parkin,F.I.Bray,S.S.Devesa European Journal of Cancer 37 (2001) S4-S66.
Cancer is the natural end-state of multicellular organisms Any population of organisms that shows hereditary variation in reproductive capacity will evolve.