RT Journal Article SR Electronic T1 Impact of time to scope on mortality in patients with variceal upper gastrointestinal bleed JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 10 OP 10 DO 10.7861/clinmedicine.19-2-s10 VO 19 IS Suppl 2 A1 Syed Anjum Ali Gardezi A1 Usama Aslam YR 2019 UL http://www.rcpjournals.org/content/19/Suppl_2/10.abstract