Anxiolytic effect of wogonin, a benzodiazepine receptor ligand isolated from Scutellaria baicalensis Georgi - Hui, K M; Huen, M S; Wang, H Y; Zheng, H; Sigel, E; Baur, R; Ren, H; Li, Z W; Wong, J T; Xue, H (Biochem Pharmacol, 2002)