RT Journal Article SR Electronic T1 Randomised controlled trial of lactulose versus rifaximin for prophylaxis of hepatic encephalopathy in patients with acute variceal bleed JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1341 OP 1342 DO 10.1136/gutjnl-2014-308521 VO 64 IS 8 A1 Maharshi, Sudhir A1 Sharma, Barjesh Chander A1 Srivastava, Siddharth A1 Jindal, Amit YR 2015 UL http://gut.bmj.com/content/64/8/1341.abstract AB