by Etim, O E, Farombi, E O, Usoh, I F, Akpan, E J
Published in Pakistan journal of pharmaceutical sciences (01.10.2006)

by Edem, D.O., Usoh, I.F.
Published in American journal of pharmacology and toxicology (01.03.2009)

by Etim, O E, Akpan, E J, Usoh, I F
Published in Pakistan journal of pharmaceutical sciences (01.07.2008)

by Jimmy, E.O., Usoh, I.F.
Published in American journal of pharmacology and toxicology (01.03.2009)

by Akpan, E.J., ., O.E. Etim, ., H.D. Akpan, ., I.F. Usoh
Published in Pakistan journal of nutrition : PJN (15.02.2006)