title: HPV vaccination: unanswered questions remain.
authors.affiliation: Department of Gynecology, and Obstetrics, University of Sao Paulo Medical School, Sao Paulo, Brazil.
authors.forename: I M
authors.initials: IM
authors.lastname: Linhares
authors.forename: S S
authors.initials: SS
authors.lastname: Witkin
mesh_terms: D000914:Antibodies, Viral / Q000276:immunology*; D005260:Female; D052162:Human papillomavirus 16 / Q000276:immunology*; D052161:Human papillomavirus 18 / Q000276:immunology*; D006801:Humans; D030361:Papillomavirus Infections / Q000517:prevention & control*; D053918:Papillomavirus Vaccines / Q000276:immunology*; D002583:Uterine Cervical Neoplasms / Q000517:prevention & control*
chemical_list: D000914:Antibodies, Viral; D053918:Papillomavirus Vaccines; C510352:human papillomavirus vaccine, L1 type 16, 18