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APA Citation
Pray, C., Narula, N., Wong, E. C., Colombel, J., Marshall, J., Daperno, M., Reinisch, W., & Dulai, P. S. (n.d.). a167 CATEGORIZING ENDOSCOPIC SEVERITY OF CROHN'S DISEASE USING THE MODIFIED MULTIPLIER SES-CD (MM-SES-CD). Journal of the Canadian Association of Gastroenterology, 5, 45–47. http://access.bl.uk/ark:/81055/vdc_100151256275.0x00000a