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APA Citation
Craig, M., Dulaney, D., Byrne, R., Weiss, T., Theigs, C., , , Walker, J. H., & Patel, A. (n.d.). s821 Early Biologic Therapy Reduces Complications in Ulcerative Colitis. American journal of gastroenterology, 117, e590–e591. http://access.bl.uk/ark:/81055/vdc_100169531827.0x000033