Research Article
Acute Oral Toxicity and Anti-inflammatory and Analgesic Effects of Aqueous and Methanolic Stem Bark Extracts of Piliostigma thonningii (Schumach.)
Figure 4
Comparison between the effects of the studied plant extracts on acetic acid-induced writhing in mice. Values are plotted as mean ± SEM. Bars with different superscript letters within the same dose level are significantly different (Un-paired Student's t-test; ).