Marchyshyn, S.M., Budniak, L.I. and Ivasiuk, I.M. 2020. Investigation of tannins in herb and tubers of the yellow nutgrass (Cyperus esculentus L.) (chufa) by HPLC method. Current issues in pharmacy and medicine: science and practice. 13, 2 (Jul. 2020). DOI:https://doi.org/10.14739/2409-2932.2020.2.207119.