„Anti-Gastric Ulcer Effect of Betulinic Acid in Male Albino Rats”, NJPS, vol. 30, nr. 1, pp. 033–037, mai 2021, Data accesării: 5 aprilie 2026. [Online]. Disponibil la: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/1831