Anxiolytic activity of a supercritical carbon dioxide extract of Souroubea sympetala (Marcgraviaceae) - Mullally, M; Kramp, K; Cayer, C; Saleem, A; Ahmed, F; McRae, C; Baker, J; Goulah, A; Otorola, M; Sanchez, P; Garcia, M; Poveda, L; Merali, Z; Durst, T; Trudeau, V L; Arnason, J T (Phytother Res, 2011)