DETERMINATION OF PHENOLIC COMPOUNDS AND WATER-SOLUBLE VITAMINS IN THE EXTRACT OF A POPLAR (POPULUS ALBA) AND WILLOW (SALIX) MIXTURE BY HPLC METHOD AND EVALUATION OF THEIR BIOLOGICAL SIGNIFICANCE. EJPCR. 2026;2(1):27-39. Accessed April 4, 2026. https://eurekaoa.com/index.php/1/article/view/265