Antinociceptive activity of methanol extract and aqueous fraction of the stem bark of Pentaclethra macrophylla Benth (Mimosaceae)
Okunrobo L. O.1*, Ching F. P.2 and Ifijeh F.1
1Department of Pharmaceutical Chemistry, University of Benin, Benin city, Nigeria.
2Department Pharmacology, Niger-Delta University, Wilberforce Island, Yenagoa, Nigeria.
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