Redox Biomarkers Assessment after Oral Administration of Wine Extract and Grape Stem Extract in Rats and Mice oleh Fotios Tekos, Zoi Skaperda, Periklis Vardakas, Despina Kyriazi, Georgios C. Maravelis, Konstantinos Poulas, Ioannis A. Taitzoglou, Charitini Nepka, Demetrios Kouretas