RT Journal Article SR Electronic T1 Optimal interval times for rescoping after an acute variceal haemorrhage JF Frontline Gastroenterology JO Frontline Gastroenterol FD BMJ Publishing Group Ltd SP 332 OP 333 DO 10.1136/flgastro-2015-100650 VO 7 IS 4 A1 Sauid Ishaq A1 Lois Nunn YR 2016 UL http://fg.bmj.com/content/7/4/332.2.abstract AB