Cochrane Library 2018 Study: Cannabis for the treatment of ulcerative colitis

Oxford Academic 2018 study: The Use of Cannabinoids in Colitis: A Systematic Review and Meta-Analysis

NCBI 2016 Abstract: Therapeutic Use of Cannabis in Inflammatory Bowel Disease

PLOS ONE 2010 Study: The Cannabinoid 1 Receptor (CNR1) 1359 G/A Polymorphism Modulates Susceptibility to Ulcerative Colitis and the Phenotype in Crohn’s Disease

NCBI 2009 Abstract: Cannabinoids and the gut: new developments and emerging concepts.