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MLA Citation
X Serra-Ruiz et al.. “P153 Association between ustekinumab trough concentrations and clinical, biochemical, and endoscopic outcomes in patients with Inflammatory Bowel Disease.” Journal of Crohn's and colitis, vol. 17, n.d., pp. i313–i314. http://access.bl.uk/ark:/81055/vdc_100179844218.0x000014