«Anti-Gastric Ulcer Effect of Betulinic Acid in Male Albino Rats», NJPS, vol. 30, fasc. 1, pp. 033–037, mag. 2021, Consultato: 5 aprile 2026. [Online]. Disponibile su: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/1831