Ali, M. S., Karim, A. E., Mohye, M. Z., Al-metwali, A. M. and Ibrahim, S. N. (2023) “Simultaneous determination of Guaifenesin, codeine phosphate, phenylephrine hydrochloride, and sodium benzoate in syrup pharmaceutical form by RP-HPLC”, Al-Kitab Journal for Pure Sciences, 7(02), pp. 173–183. doi: 10.32441/kjps.07.02.p13.