BANYLLA SN, et al. “ANTI-ULCER ACTIVITY OF THE AQUEOUS EXTRACT OF PORTULACA RACEA L.IN ASPIRIN PLUS PYLORIC LIGATION INDUCED ULCER IN ALBINO RATS”. International Journal of Pharma and Bio Sciences, vol. 4, no. 2, June 2013, pp. 576-80, https://ijpbs.net/index.php/journal/article/view/2204.