Allaa Hussein Mhdi, Sadeem Subhi Abed. Determination of Nifedipine drug in Pure and Pharmaceutical Preparations by Normal Flow Injection Analysis using Sulfamethaxazole Drug as Chromogenic Reagent. Pakistan Journal of Medical & Health Sciences [Internet]. 2022 Oct. 6 [cited 2024 Jul. 17];16(08):622. Available from: https://pjmhsonline.com/index.php/pjmhs/article/view/2564