Petrosyan, S. G.; Sahakyan, L. Y.; Kirakosyan, V. G.; Minasyan, E. V.; Sardaryan, S. Y. ISOLATION, IDENTIFICATION AND QUANTITATIVE DETERMINATION OF NIFEDIPINE FROM BIOLOGICAL MATERIAL. Proc. YSU B: Chem. Biol. Sci. 2021, 55, 204-211.