Antidepressant-like effects of liquiritin and isoliquiritin from Glycyrrhiza uralensis in the forced swimming test and tail suspension test in mice - Wang, W; Hu, X; Zhao, Z; Liu, P; Hu, Y; Zhou, J; Zhou, D; Wang, Z; Guo, D; Guo, H (Prog Neuropsychopharmacol Biol Psychiatry, 2008)