M.D. Ribeiro, G.M. Onusic, S.C. Poltronieri and M.B. Viana (2006). Effect of Erythrina velutina and Erythrina mulungu in rats submitted to animal models of anxiety and depression. Brazilian Journal of Medical and Bilogical Research, 39: 263-270. 

Figure 3. Effect of chronic oral administration of two water-alcohol extracts of Erythrina mulungu (EM), E. velutina (EV) and imipramine (IMI) on the behavior of rats submitted to the forced swim test. Data are reported as means ± SEM. N = 10 for all treatment groups. *P < 0.05 compared to control (Duncan test).