ANALYTICAL STUDY AND IMPURITY PROFILING OF FIXED DOSES COMBINATION OF AMLODIPINE, HYDROCHLOROTHIAZIDE AND OLMESARTAN BY RP-HPLC AND UPLC. Int. J. Pharm. Sci. Drug Res. 2022, 14 (1), 19-28. https://doi.org/10.25004/IJPSDR.2022.140103.