Licinio, R., M. Principi, A. Amoruso, D. Piscitelli, E. Ierardi, and A. Di Leo. “Celiac Disease and Common Variable Immunodeciency: A Familial Inheritance?”. Journal of Gastrointestinal and Liver Diseases, Vol. 22, no. 4, Dec. 2013, pp. 471-4, https://jgld.ro/jgld/index.php/jgld/article/view/2013.4.193.