Clinical trial: Combination allopurinol‐thiopurine versus standard thiopurine in patients with IBD escalating to immunomodulators (the DECIDER study). - Vasudevan, Abhinav; Con, Danny; De Cruz, Peter; Sparrow, Miles P.; Friedman, Antony B.; Garg, Mayur; Kashkooli, Soleiman; Gibson, Peter R.; van Langenberg, Daniel R. (Alimentary Pharmacology & Therapeutics, 2024)