“Flow Injection-Spectrophotometric Determination of Phenylephrine Hydrochloride and Amoxicillin Trihydrate in Pharmaceutical Preparations”. Al-Nahrain Journal of Science 16, no. 1 (March 1, 2013): 42–52. Accessed May 15, 2024. https://anjs.edu.iq/index.php/anjs/article/view/711.