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McCullen MA, Fletcher LM, Dimeski G, Pink A, Powell LW, Crawford DH, Hickman PE.McCullen MA, et al.Intern Med J. 2008 Aug;38(8):651-6. doi: 10.1111/j.1445-5994.2007.01578.x. Epub 2008 Feb 17.Intern Med J. 2008.PMID: 18284459
Stuart KA, Anderson GJ, Frazer DM, Powell LW, McCullen M, Fletcher LM, Crawford DH.Stuart KA, et al.Gut. 2003 Jul;52(7):953-9. doi: 10.1136/gut.52.7.953.Gut. 2003.PMID: 12801950Free PMC article.