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Leo, H.J. and Sanjiv, M. and Lee, G.K. (2010) Higher prevalence and severity of both anxiety and depression in functional gastrointestinal disorders than controls: Irritable Bowel Syndrome (IBS) more than Functional Dyspepsia (FD) and Non Erosive Reflux Disease (NERD)? Journal of Gastroenterology and Hepatology, 25 (2). A152. ISSN 0815-9319,
Leo, H.J. and Seng, Q.C. and Lee, G.K. (2010) Non-erosive reflux disease (NERD), symptomatic and asymptomatic erosive reflux disease (ERD): from hypersensitive to hyposensitive esophagus. Journal of Gastroenterology and Hepatology, 25 (2). A131-A132. ISSN 0815-9319,
