Some Pharmacological Effects of an Ethanolic Extract of Trema guineensis on the Central Nervous System in Rodents - N’Gouemo, Prosper; Pambou-Tchivounda, Honorine; Baldy-Moulinier, Michel; Koudogbo, Blaise; N'Guemby-Bina, Célestin (Planta Medica, 1994)