Ectopic thyroid cancer in the ovary – unresolved issues of diagnosis and treatment of struma ovaria maligna by O. O. Kovalyov, O. P. Tolok, K. O. Kovalov

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Transformation of adenocarcinoma into small cell lung cancer as one of the mechanisms of acquired resistance to anti-EGFR tyrosine kinase inhibitors by O. O. Kovalov, O. P. Tolok, K. O. Kovalov

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Cancer metastasis of an unknown primary location into a postoperative kelody scar after a mine blast wound of the neck by O. O. Kovalyov, S. M. Zavhorodnii, O. P. Tolok, M. A. Kubrak, K. O. Kovalov

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Accelerated biological ageing as a complication of cancer therapy by O. O. Kovalov, M. Yu. Kolesnyk, O. V. Hancheva, I. F. Bielenichev, K. O. Kovalov

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Peculiarities of the composition of surface and groundwater in eastern Ukraine during the war: assessment of environmental and carcinogenic risks by O. O. Kovalov, Yu. M. Kolesnyk, A. I. Sevalniev, L. P. Sharavara, O. V. Hancheva, K. O. Kovalov, T. M. Tyshchenko, Ye. O. Tulushev

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The use of a trench candle as an alternative heating and light source in wartime and possible negative consequences by O. O. Kovalyov, Yu. M. Kolesnyk, V. O. Zub, A. I. Sevalniev, L. P. Sharavara, I. M. Andrusyshyna, O. V. Hancheva, K. O. Kovalov

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