Spectrophotometric Determination of Ketotifen Fumarate in Pure and Pharmaceutical Preperations by Bromophenol Blue Reagent. Ibn AL-Haitham Journal For Pure and Applied Sciences, [S. l.], v. 24, n. 3, 2016. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/827.. Acesso em: 3 may. 2024.