Principles of Human Tumor Virology.- History of Papillomavirus Research.- Phylogeny and Typing of Papillomaviruses.- The Differentiation-Dependent Life Cycle of Human Papillomaviruses in Keratinocytes.- Papillomavirus Structure and Assembly.- Viral Entry and Receptors.- Human Papillomavirus Transcription.- DNA Replication of Papillomaviruses.- Papillomavirus E5 Proteins.- Human Papillomavirus E6 and E7 Oncogenes.- In Vivo Models for the Study of Animal...