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MLA Citation
A Miranda et al.. “P559 Efficacy of Ustekinumab in the treatment of patients with Crohn's disease with failure to previous conventional or biologic therapy: an observational real-life study.” Journal of Crohn's and colitis, vol. 15, n.d., pp. S522–S523. http://access.bl.uk/ark:/81055/vdc_100130764871.0x00000e