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APA Citation
Clemente, V., Aratari, A., Papi, C., & Vernia, P. (2016). short term colectomy rate and mortality for severe ulcerative colitis in the last 40 years. Has something changed?. Digestive and liver disease, 48(4), 371–375. http://access.bl.uk/ark:/81055/vdc_100030956861.0x00002f