Mateshuk-Vatseba, L.R., R.R. Symivska, N.V. Belik, and V.V. Piliponova. 2019. “Histological Features of the Mitral Valve in Normal and Opioid Exposure in Experiment”. Reports of Morphology 25 (3), 40-44. https://doi.org/10.31393/morphology-journal-2019-25(3)-07.