Cite
MLA Citation
Sandy Chan et al.. “S570 Diagnostic Yield of Upper Endoscopy in Patients Referred for Esophagogastroduodenoscopy (EGD).” American journal of gastroenterology, vol. 116, n.d., pp. S260–S261. http://access.bl.uk/ark:/81055/vdc_100144524237.0x00005b