A. Abd AL-Hayale, Manal, Najeeb K. Yousif, Alaa T. Aziz, and Saad H. Sultan. “Spectrophotometric Determination of Mesalazine in Pharmaceutical Preparations by Diazotization and Coupling With 2,6- Dihydroxytoluene As a New Coupling Agent”. Rafidain Journal of Science 28, no. 2 (June 1, 2019): 47–55. Accessed September 10, 2025. https://edusj.uomosul.edu.iq/index.php/rsci/article/view/46888.