Media type: E-Article Title: Validation of Seven Graded Diary Cards for Severity of Dyspeptic Symptoms in Patients with Non Ulcer Dyspepsia Contributor: Junghard, Karsten Lauritsen, Nichol, Ola imprint: Oxford University Press (OUP), 1998 Published in: The European Journal of Surgery Language: Not determined DOI: 10.1080/11024159850191355 ISSN: 1102-4151 Keywords: Surgery Origination: Footnote: