Home » Resources Library » van der Zee RP, et al. Characterisation of analintraepithelial neoplasia and anal cancer in HIV-positive men by immunohistochemical markers p16, Ki-67, HPV-E4 and DNA methylation markers. Created: Oct 2023 van der Zee RP, et al. Characterisation of analintraepithelial neoplasia and anal cancer in HIV-positive men by immunohistochemical markers p16, Ki-67, HPV-E4 and DNA methylation markers.