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MLA Citation
B E Sands et al.. “P312 Efficacy in biologic failure and non-biologic-failure populations in a Phase 3 study of ustekinumab in moderate–severe ulcerative colitis: UNIFI.” Journal of Crohn's and colitis, vol. 13, n.d., pp. S256–S257. http://access.bl.uk/ark:/81055/vdc_100092361506.0x000012