Al-Sabha T, Al-Obaidi M, S. Al-Ghabsha T. Spectrophotometric Determination Of Nitrazepam And Dapson Using Vanillin Reagent in Pharmaceutical Preparations. JES [Internet]. 2014 Mar. 1 [cited 2025 Sep. 10];27(1):43-57. Available from: https://edusj.uomosul.edu.iq/index.php/edusj/article/view/41437