DETERMINATION OF THE RUTIN, QUERCETIN AND KAEMPFEROL CONTENTS IN A GHANAIAN POLYHERBAL FORMULATION (EAF-2011) AND ITS RAW MATERIALS USING A SIMULTANEOUS RP-HPLC METHOD. International Journal of Pharmaceutical Sciences and Drug Research, [S. l.], v. 7, n. 1, p. 96–99, 2015. DOI: 10.25004/IJPSDR.2015.070117. Disponível em: https://ijpsdronline.com/index.php/journal/article/view/392.. Acesso em: 17 oct. 2025.