Objective To improve primary prevention of human papillomavirus (HPV) infection by promoting vaccination and increased condom use among upper secondary school students. Design Cluster randomised ...

Human papillomavirus; In situ hybridization; Cervical dysplasia; Cervical cancer; Condylomata acuminata Amostras de displasias ou carcinomas do colo uterino e de condilomas acuminados da região ...