ABDUL RAHIEM AHMED, Yasar Albushra.
Use of Risk Scoring System in Upper Gastrointestinal Haemorrhage: A Critical Review.
Gezira Journal of Health Sciences, [S.l.], v. 8, n. 2, dec. 2012.
ISSN 1810-5386. Available at: <http://journals.uofg.edu.sd/index.php/gjhs/article/view/432>. Date accessed: 30 june 2026.