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Semerdjieva I, Sidjimova B, Yankova-Tsvetkova E, Kostova M, Zheljazkov VD.Semerdjieva I, et al.Heliyon. 2019 Dec 13;5(12):e03021. doi: 10.1016/j.heliyon.2019.e03021. eCollection 2019 Dec.Heliyon. 2019.PMID: 32373724Free PMC article.
Semerdjieva I, Petrova G, Yankova-Tsvetkova E, Doncheva T, Kostova N, Nikolova R, Zheljazkov VD.Semerdjieva I, et al.PLoS One. 2020 Jun 1;15(6):e0233516. doi: 10.1371/journal.pone.0233516. eCollection 2020.PLoS One. 2020.PMID: 32479498Free PMC article.
Semerdjieva I, Zheljazkov VD, Radoukova T, Dincheva I, Piperkova N, Maneva V, Astatkie T, Kačániová M.Semerdjieva I, et al.Molecules. 2021 Oct 21;26(21):6358. doi: 10.3390/molecules26216358.Molecules. 2021.PMID: 34770769Free PMC article.