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APA Citation
Cassieri, C., Pica, R., Avallone, E. V., Brandimarte, G., Zippi, M., Crispino, P., De Nitto, D., Lecca, P. G., Vernia, P., Pica, R., & Corazziari, E. S. (n.d.). p605 Eight-year efficacy and safety of azathioprine treatment in the maintenance of steroid-free remission in inflammatory bowel disease patients. Journal of Crohn's and colitis, 14, S505. http://access.bl.uk/ark:/81055/vdc_100099171458.0x00003a