Elsayed AO. MULTIVARIATE CHEMOMETRIC MODELS APPLIED FOR SIMULTANEOUS DETERMINATION OF BROMHEXINE AND GUAIFENESIN IN PURE FORM AND IN PHARMACEUTICAL PREPARATION; A COMPARATIVE STUDY. IIJS [Internet]. 2018 Mar. 25 [cited 2024 May 5];:15-20. Available from: https://www.innoriginal.com/index.php/iijs/article/view/133