Polyauk, O., & Logoyda, L. (2017). THE INVESTIGATION OF CONDITIONS OF API FROM GROUP OF CALCIUM CHANNEL BLOCKERS EXTRACTION BY ORGANIC SOLVENTS BY USING HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY AS ASSAY METHOD. Asian Journal of Pharmaceutical and Clinical Research, 10(10), 354-356. https://doi.org/10.22159/ajpcr.2017.v10i10.20506