Galphimine-B standardized extract versus alprazolam in patients with generalized anxiety disorder: a ten-week, double-blind, randomized clinical trial - Romero-Cerecero, O; Islas-Garduño, A L; Zamilpa, A; Herrera-Arellano, A; Jiménez-Ferrer, E; Tortoriello, J (Biomed Res Int, 2019)