Lysak А.V. and Dyadyk О.О. 2016. Phosphohistone H3 as the standard of immunohistochemical study in the assessment of differentiation level of oropharyngeal zone squamous cell carcinomas. Pathologia. 13, 2 (Oct. 2016). DOI:https://doi.org/10.14739/2310-1237.2016.2.80994.