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. Int. J. Pharm. Sci. Drug Res. 2015, 7 (1), 96-99. https://doi.org/10.25004/IJPSDR.2015.070117.