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 2024 May 20];55(2B):623-3. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11742