Guda, B., Pushkarev, V., Kovzun, O., Pushkarev, V., & Tronko, M. (2019). PCNA expression as a marker of proliferation in benign and highly differentiated malignant tumors of the human thyroid gland (literature review and clinical case). INTERNATIONAL JOURNAL OF ENDOCRINOLOGY (Ukraine), 15(4), 339–343. https://doi.org/10.22141/2224-0721.15.4.2019.174822