title: Are human papillomavirus infections not necessary or sufficient causal factors for invasive cancer of the cervix?
authors.forename: H
authors.initials: H
authors.lastname: zur Hausen
mesh_terms: D005260:Female; D006801:Humans; D027383:Papillomaviridae / Q000472:pathogenicity*; D030361:Papillomavirus Infections / Q000150:complications*; D014412:Tumor Virus Infections / Q000150:complications*; D002583:Uterine Cervical Neoplasms / Q000821:virology*