Sas, I., A. Grytsyk, T. . Koliadzhyn, and O. . Koshovyi. “Comparative Study of Phenolic Compounds of the Herb of Betonica L. Genus Species of Flora of Ukraine”. ScienceRise: Pharmaceutical Science, no. 1 (29), Feb. 2021, pp. 66-75, doi:10.15587/2519-4852.2021.225767.