Portincasa, P., L. Bonfrate, M. Scribano, A. Kohn, N. Caporaso, D. Festi, M. Campanale, T. Di Rienzo, M. Guarino, M. Taddia, M. Fogli, M. Grimaldi, and A. Gasbarrini. “Curcumin and Fennel Essential Oil Improve Symptoms and Quality of Life in Patients With Irritable Bowel Syndrome”. Journal of Gastrointestinal and Liver Diseases, Vol. 25, no. 2, June 2016, pp. 151-7, doi:10.15403/jgld.2014.1121.252.ccm.