Nihed Ziouche, Leila Derradji and Youcef Hadef (2020) “Determination of polyphenolic components by high performance liquid chromatography (HPLC) and evaluation of the antioxidant activity of leaves and fruits of Crataegus mongyna Jacq”, GSC Biological and Pharmaceutical Sciences, 13(1), pp. 251–256. doi: 10.30574/gscbps.2020.13.1.0344.