ALI, M. S.; KARIM, A. E.; MOHYE, M. Z.; AL-METWALI, A. M.; IBRAHIM, S. N. Simultaneous determination of Guaifenesin, codeine phosphate, phenylephrine hydrochloride, and sodium benzoate in syrup pharmaceutical form by RP-HPLC. Al-Kitab Journal for Pure Sciences, [S. l.], v. 7, n. 02, p. 173–183, 2023. DOI: 10.32441/kjps.07.02.p13. Disponível em: https://isnra.net/index.php/kjps/article/view/1056. Acesso em: 30 apr. 2026.