Two Validated Spectrophotometric Methods for Quantitative Analysis of Amlodipine Besylate in Pharmaceutical Preparations by Redox Reaction. Pak. J. Anal. Environ. Chem. [Internet]. 2026 Jun. 29 [cited 2026 Jul. 13];27(1):565757ap. Available from: https://pjaec.pk/index.php/pjaec/article/view/565