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APA Citation
Ghazi, R., Mahmoud, T., Martin, J. A., Law, R., Levy, M. J., Abu Dayyeh, B. K., Storm, A. C., Petersen, B. T., & Chandrasekhara, V. (n.d.). s70 Uncovered vs Fully Covered Self-Expandable Metal Stents for the Management of Distal Malignant Biliary Obstruction. American journal of gastroenterology, 116, S30. http://access.bl.uk/ark:/81055/vdc_100144524534.0x000045