title: Viruses as tumor initiators and tumor promoters.
authors.forename: H
authors.initials: H
authors.lastname: zur Hausen
mesh_terms: D000818:Animals; D002471:Cell Transformation, Neoplastic; D004279:DNA, Viral / Q000235:genetics; D005814:Genes, Viral; D006801:Humans; D027383:Papillomaviridae / Q000235:genetics; D012190:Retroviridae / Q000235:genetics*; D018139:Simplexvirus / Q000235:genetics; D014412:Tumor Virus Infections / Q000382:microbiology
chemical_list: D004279:DNA, Viral