ELSAYED, A. O. MULTIVARIATE CHEMOMETRIC MODELS APPLIED FOR SIMULTANEOUS DETERMINATION OF BROMHEXINE AND GUAIFENESIN IN PURE FORM AND IN PHARMACEUTICAL PREPARATION; A COMPARATIVE STUDY. Innoriginal: International Journal of Sciences, [S. l.], p. 15–20, 2018. Disponível em: https://innoriginal.com/index.php/iijs/article/view/133. Acesso em: 18 jun. 2021.