Evaluation of the blood ammonia level as a non-invasive predictor for the presence of esophageal varices and the risk of bleeding
Asmaa Elzeftawy, Loai Mansour, Abdelrahman Kobtan, Heba Mourad, Ferial El-Kalla
(Turk J Gastroenterol 2019; 30: 59-65) DOI: 10.5152/tjg.2018.17894