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APA Citation
Atia, O., Gupta, A., Travis, S., Turner, D., & Koslowsky, B. (2021). the pediatric ulcerative colitis activity index (PUCAI) predicts steroid-failure in adults with acute severe colitis. Scandinavian journal of gastroenterology, 56, 1049–1055. http://access.bl.uk/ark:/81055/vdc_100139924789.0x000056