Liu, Ying-Hong, Wei-Xing Ma, and Yan-Hui Li. “Spectrophotometric Determination of Famotidine by Cresol Red With Charge-Transfer Reaction”. Asian Journal of Chemistry 23, no. 4 (December 31, 2010): 1799–1801. Accessed November 24, 2024. https://asianpubs.org/index.php/ajchem/article/view/10211.