Masnadi Shirazi K, Sotoudeh S, Masnadi Shirazi A, Moaddab SY, et al. Effect of N-acetylcysteine on remission maintenance in patients with ulcerative
colitis: A randomized, double-blind controlled clinical trial. Clin Res Hepatol Gastroenterol 2020 Oct 14. pii: S2210-7401(20)30270.
PMID: 33067169