RT Journal Article SR Electronic T1 Use of proton pump inhibitors in acute non-variceal upper gastrointestinal bleeds in a university teaching hospital JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP s16 OP s16 DO 10.7861/clinmedicine.19-2-s16 VO 19 IS Suppl 2 A1 Syed Anjum Ali Gardezi A1 Usama Aslam YR 2019 UL http://www.rcpjournals.org/content/19/Suppl_2/s16.abstract