[1] Kaduna State Univ, Fac Pharmaceut Sci, Dept Pharmacol & Toxicol, Kaduna, Nigeria
[2] Kaduna State Univ, Fac Life Sci, Dept Biochem, Kaduna, Nigeria
[3] Kaduna State Univ, Fac Pharmaceut Sci, Dept Pharmaceut & Med Chem, Kaduna, Nigeria
[4] Kaduna State Univ, Coll Med, Dept Anat Pathol & Forens Med, Kaduna, Nigeria
[5] Otto von Guericke Univ, Inst Pharmacol & Toxicol, Fac Med, Leipziger Str 44, D-39120 Magdeburg, Germany