ISOLATION, IDENTIFICATION AND QUANTITATIVE DETERMINATION OF NIFEDIPINE FROM BIOLOGICAL MATERIAL. Proc. YSU B: Chem. Biol. Sci. [Internet]. 2021 Dec. 23 [cited 2026 Jan. 21];55(3 (256):204-11. Available from: https://journals.ysu.am/index.php/proceedings-chem-biol/article/view/vol55_no3_2021_pp204-211