Khokhlova, K.O. et al. 2021. DETERMINATION OF TOTAL FLAVONOIDS CONTENT IN CALENDULA TICNCTURE BY HIGH-PERFORMANCE THIN-LAYER CHROMATOGRAPHY. Pharmaceutical Review / Farmacevtičnij časopis. 2 (Jul. 2021), 28–35. DOI:https://doi.org/10.11603/2312-0967.2021.2.12182.