Panaccione, R., Danese, S., Zhouwen, W., Pangan, A., Hébuterne, X., Nakase, H., D'Haens, G., Panes, J., Lindsay, J., Higgins, P., Loftus, E., Sandborn, W., Xie, W., Sanchez gonzalez, Y., Liu, J., Weinreich, M., & Vermeire, S. (n.d.). a145 EFFICACY AND SAFETY OF UPADACITINIB MAINTENANCE THERAPY IN PATIENTS WITH MODERATELY TO SEVERELY ACTIVE ULCERATIVE COLITIS: RESULTS FROM A RANDOMIZED PHASE 3 STUDY. Journal of the Canadian Association of Gastroenterology, 5, 18–19. http://access.bl.uk/ark:/81055/vdc_100151256181.0x000011