A. Abd AL-Hayale, Manal, Najeeb K. Yousif, Alaa T. Aziz, and Saad H. Sultan. 2019. “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 (2):47-55. https://doi.org/10.33899/rjs.2019.159966.