Development of a new spectrophotometric method for the determination of flavonoids in herb of red clover (Trifolium pratense L) and zigzag clover (Trifolium medium L). Pharm Pract (Granada) [Internet]. 2026 Jan. 9 [cited 2026 Apr. 25];23(4):1-10. Available from: https://www.pharmacypractice.org/index.php/pp/article/view/3384