Nakov, R., T. Velikova, V. Nakov, V. Gerova, and L. Tankova. “Trefoil Factor 3 Is Highly Predictive of Complete Mucosal Healing Independently and in Combination With C-Reactive Protein in Patients With Ulcerative Colitis”. Journal of Gastrointestinal and Liver Diseases, Vol. 28, no. 2, June 2019, pp. 169-74, doi:10.15403/jgld-177.