
Central depressant activity of butanol fraction of Securinega virosa root bark in mice
Keywords: WHO; World Health Organization; NIH; National Institute of Health; LD50; median lethal dose; ip; intraperitoneal; cm; centimeter; ml; milliliter; kg; kilogram; mg; milligram; EPM; elevated plus maze; h; hour; SEM; standard error of mean; CME; crude methan