2022. ANALYTICAL STUDY AND IMPURITY PROFILING OF FIXED DOSES COMBINATION OF AMLODIPINE, HYDROCHLOROTHIAZIDE AND OLMESARTAN BY RP-HPLC AND UPLC. International Journal of Pharmaceutical Sciences and Drug Research. 14, 1 (Jan. 2022), 19–28. DOI:https://doi.org/10.25004/IJPSDR.2022.140103.