«Anti-Gastric Ulcer Effect of Betulinic Acid in Male Albino Rats», NJPS, vol. 30, n.º 1, pp. 033–037, may 2021, Accedido: 5 de abril de 2026. [En línea]. Disponible en: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/1831