Varma, P., Rajadurai, A. S., Holt, D. Q., Devonshire, D. A., Desmond, C. P., Swan, M. P., Nathan, D., Shelton, E. T., Prideaux, L., Sorrell, C., Rusli, F., Crantock, L. R. F., Dev, A., Ratnam, D. T., Pianko, S., & Moore, G. T. (2019). immunomodulator use does not prevent first loss of response to anti‐tumour necrosis factor alpha therapy in inflammatory bowel disease: long‐term outcomes in a real‐world cohort. Internal medicine journal, 49(6), 753–760. http://access.bl.uk/ark:/81055/vdc_100086191805.0x00001c