Yousef F, Al-Abachi M. Normal and Reverse Flow Injection- Spectrophotometric Determination of Vancomycin Hydrochloride in Pharmaceutical Preparations Using 2, 4-Dinitrophenylhydrazine. Iraqi Journal of Science [Internet]. 2023 Nov. 24 [cited 2025 Dec. 6];55(2B):623-3. Available from: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11742