Batch and Flow Injection Spectrophotometric Determination of Tetracycline Hydrochloride and Doxycycline Hyclate in Pharmaceutical Preparations. Iraqi Journal of Science [Internet]. 2023 Apr. 30 [cited 2024 Dec. 24];56(2A):909-20. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/10176