RT Journal Article SR Electronic T1 Subdividing functional dyspepsia: a paradigm shift? JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1487 OP 1489 DO 10.1136/gut.2008.155788 VO 57 IS 11 A1 Nicholas J Talley YR 2008 UL http://gut.bmj.com/content/57/11/1487.abstract AB