text_1: Primary cervical cancer screening with HPV detection has higher longitudinal sensitivity than conventional cytology to detect cervical intraepithelial neoplasia grade 2.
text_2: METHODS Between March, 2004, and December, 2004, in two separate recruitment phases, women aged 25-60 years were randomly assigned to conventional cytology or to HPV testing in combination with liquid-based cytology (first phase) or alone (second phase).