Portincasa, P., Bonfrate, L., Scribano, M., Kohn, A., Caporaso, N., Festi, D., Campanale, M., Di Rienzo, T., Guarino, M., Taddia, M., Fogli, M., Grimaldi, M., & Gasbarrini, A. (2016). Curcumin and Fennel Essential Oil Improve Symptoms and Quality of Life in Patients with Irritable Bowel Syndrome. Journal of Gastrointestinal and Liver Diseases, 25(2), 151-157. https://doi.org/10.15403/jgld.2014.1121.252.ccm