Cite
MLA Citation
Johnson Chen et al.. “S729 Serum Ustekinumab Concentrations Are Associated With Improved Outcomes With the Magnetic Resonance Index of Activity for Crohn's Disease.” American journal of gastroenterology, vol. 117, n.d., pp. e511–e512. http://access.bl.uk/ark:/81055/vdc_100169532008.0x000046