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MLA Citation
L. Gatta et al.. “AF.2 A NATIONAL SURVEY OF UPPER GASTROINTESTINAL SYMPTOMS IN PATIENTS ATTENDING GASTROENTEROLOGY CLINICS OF THE ITALIAN NHS: AN INTERIM ANALYSIS OF THE GUESS STUDY.” Digestive and liver disease, vol. 53, n.d., pp. S137–S138. http://access.bl.uk/ark:/81055/vdc_100144485183.0x000029