Adler, S. N., Jacob, H., Lijovetzky, G., Mulder, C. J. and Zwiers, A. (2006) “Positive Coeliac Serology in Irritable Bowel Syndrome Patients with Normal Duodenal Biopsies: Video Capsule Endoscopy Findings and HLA-DQ Typing May Affect Clinical Management”, Journal of Gastrointestinal and Liver Diseases, 15(3), pp. 221–225. Available at: https://www.jgld.ro/jgld/index.php/jgld/article/view/2006.3.2 (Accessed: 16 August 2026).