RT Journal Article SR Electronic T1 Cigarette smoking and chronic liver diseases JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1159 OP 1162 DO 10.1136/gut.2008.162453 VO 59 IS 9 A1 José Altamirano A1 Ramón Bataller YR 2010 UL http://gut.bmj.com/content/59/9/1159.abstract AB