M. Kadder, Raeeid, and Nabeel S. Othman. “Histidine As a New Coupling Agent for The Spectrophotometric Assay of Sulphadiazine – Application to Pharmaceutical Preparations”. Rafidain Journal of Science 17, no. 7 (June 1, 2006): 25–35. Accessed September 29, 2025. https://jamh.uomosul.edu.iq/index.php/rsci/article/view/46414.