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Bollegala N, Barwick M, Fu N, Griffiths AM, Keefer L, Kohut SA, Kroeker KI, Lawrence S, Lee K, Mack DR, Walters TD, de Guzman J, Tersigni C, Miatello A, Benchimol EI.Bollegala N, et al. Among authors: keefer l.BMC Gastroenterol. 2022 May 18;22(1):251. doi: 10.1186/s12876-022-02307-9.BMC Gastroenterol. 2022.PMID: 35585484Free PMC article.