DEMİRBOLAT İ, 2</sup> , KARTAL M, . Formulation, stability and analytical method validation of chasteberry (Vitex agnus-castus L.) extract in solid oral dosage forms. J.Res.Pharm. 2019;  23(4):  689-696. http://dx.doi.org/10.12991/jrp.2019.177