Cite
MLA Citation
J Y Mary and R Modigliani. “Development and validation of an endoscopic index of the severity for Crohn's disease: a prospective multicentre study. Groupe d'Etudes Thérapeutiques des Affections Inflammatoires du Tube Digestif (GETAID)..” Gut, vol. 30, no. 7, 1989, pp. 983–989. http://access.bl.uk/ark:/81055/vdc_100137785322.0x000050