Kovalyov, O. (2026) “PHENOTYPIC SHIFT OF ADENOCARCINOMA TO SQUAMOUS CELL CARCINOMA OF RECTUM AFTER NEOADJUVANT CHEMORADIOTHERAPY WITH DETECTION OF HPV16: A CLINICAL CASE”, Experimental Oncology, 48(2), pp. 172–180. doi: 10.15407/exp-oncology.2026.02.172.