Tang, X.H., J.P. Hou, A. Liu, Y.M. Xie, X. Hu, and X. Song. 2010. “HPLC Determination of Esomeprazole Magnesium in Tablets”. Asian Journal of Chemistry 22 (5):3711-18. https://asianpubs.org/index.php/ajchem/article/view/11602.