Zammit, Stefania, David Sanders, and Simon Cross. “Capsule Endoscopy in the Management of Refractory Coeliac Disease”. Journal of Gastrointestinal and Liver Diseases 28, no. 1 (March 1, 2019): 15-22. Accessed August 24, 2019. https://www.jgld.ro/jgld/index.php/jgld/article/view/150.