Figure 1. Effects of diazepam administered ip (30 min before testing) in Lewis (LEW) and spontaneously hypertensive rats (SHR) tested for 5 min in the elevated plus-maze. Results are reported as the mean ± SEM for 9-10 rats. +P<0.05 for the inter-strain difference between vehicle-treated rats (Tukey test). *P<0.05, at least for the effects of diazepam against vehicle (Dunn or Tukey test).