Fig. 3From: Prevalence and types of high-risk human papillomaviruses in head and neck cancers from Bangladesh a Typical p16 staining of both nucleus and cytoplasm of tumour cells (20X magnification). b Nuclear staining pattern of tumour cells by p53 antibody (20X magnification). c Nuclear staining pattern of pRb (20X magnification). d Low to strong Cyclin D1 staining of nuclei (20X magnification)Back to article page