Polyauk, O. and 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), pp. 354-356. doi: 10.22159/ajpcr.2017.v10i10.20506.