Antitrypanosomal Activity and Acute Toxicity of Euphorbia hirta Leaf Extract and a Green-Synthesized Vanadium-Based Nanoparticles against Trypanosoma brucei brucei in Mice. LJSIR [Internet]. 2026 Oct. 18 [cited 2026 Oct. 18];4(2):173-89. Available from: https://lafiascijournals.org.ng/index.php/ljsir/article/view/963