B. Qassim B. New FI-Spectrophotometric Methods for Determination of Olsalazine in Pure and Pharmaceutical Preparations via Complexation with Quinalizarin Reagent. ajc [Internet]. 2015 Aug. 29 [cited 2024 Jun. 26];27(12):4657-62. Available from: https://asianpubs.org/index.php/ajchem/article/view/27_12_60