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Journal
Aliment Pharmacol Ther
Volume
33
Issue
6
Pages
722-9
Publication year
2011
Suggested citation
Haag S, Andrews JM, Gapasin J, Gerken G, Keller A, Holtmann GJ. A 13-nation population survey of upper gastrointestinal symptoms: prevalence of symptoms and socioeconomic factors. Aliment Pharmacol Ther. 2011; 33(6): 722-9.