Chen, Le, Fanghui Wu, Lichun Chen, Jie Mei, and Xianwen Wei. “Determination of Promethazine in Pharmaceutical Samples by Using Graphene Modified Electrode”. Asian Journal of Chemistry 26, no. 11 (May 27, 2014): 3171–3174. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/26_12_10.