Yonis, A. G., A. S. A. Abdallash, M. Ahmed, and A. M. Mohammed Osman. “CHARACTERIZATION OF PORTAL HYPERTENSION IN GEZIRASTATE (SUDAN) USING ULTRASOUND”. International Journal of Research -GRANTHAALAYAH, vol. 7, no. 7, July 2019, pp. 30-38, doi:10.29121/granthaalayah.v7.i7.2019.711.