Gowri Sankar, D., M. Vamsi Krishna, D.V.S.P. Kumar, and P.V.M. Latha. 2016. “UV Spectrophotometric Determination of Tolterodine Tartarate and Cefepime”. Asian Journal of Chemistry 17 (3):2028-30. https://asianpubs.org/index.php/ajchem/article/view/14078.