Neuroprotective effect of standardized Vitex pubescens Vahl bark extract and its n-butanol fraction against scopolamine-induced cognitive impairment in Sprague-Dawley rats in relationship to its isolated phytochemicals

Abdelbaset, Safa; Tawfiq, Rasha A; Majrashi, Taghreed A; El Hassab, Mahmoud A; Eldehna, Wagdy; El-Kersh, Dina M; Eldahshan, Omayma A; Ayoub, Iriny;