RT Journal Article SR Electronic T1 A hyperplastic cause of hyperemesis JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 104 OP 104 DO 10.1136/gutjnl-2013-304688 VO 63 IS 1 A1 Dasilva, Preethi A1 Rajoriya, Neil A1 Morgan, Tom A1 Johnson, Peter A1 Gorard, David A YR 2014 UL http://gut.bmj.com/content/63/1/104.abstract AB