Nisar, S., T. Bashir, A. Hussain, and F. Masud. “Prevalence of Congestive Gastro and Doudenopathy in Patients With Portal Hypertension”. Esculapio Journal of SIMS, vol. 8, no. 4, Aug. 2023, pp. 191-2, https://esculapio.pk/journal/index.php/journal-files/article/view/767.