Mathur, Mala, Savita Srivastava, and N.M. Srivastava. “Metal Chelates of Ambidentate Ligand Cysteine and Antiulcer Drug Ranitidine”. Asian Journal of Chemistry 12, no. 2 (March 30, 2010): 371–374. Accessed August 26, 2024. https://asianpubs.org/index.php/ajchem/article/view/22961.