Anti-psychotic effects of leaf extracts of &lt;i&gt;Palisota hirsute&lt;/i&gt; (Thunb.) K. Schum. (Commelinaceae) and &lt;i&gt;Costus afer&lt;/i&gt; Ker-Gawl (Zingiberaceae) on ketamine-induced psychotic mice
Nigerian Journal of Botany