EL-TOHAMY, M., EL-MAAMLY, M., & SHALABY, A. (2010). PVC Membrane Electrode for the Direct Determination of Chlorpheniramine Maleate in Pharmaceutical Preparations. Asian Journal of Chemistry, 19(4), 3035–3046. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/13417