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Walker MM, Worku M, Coggle S, Thursz MR.Walker MM, et al.Helicobacter. 2002 Aug;7(4):265-8. doi: 10.1046/j.1523-5378.2002.00091.x.Helicobacter. 2002.PMID: 12165035
Martinelli A, Knapp S, Anstee Q, Worku M, Tommasi A, Zucoloto S, Goldin R, Thursz M.Martinelli A, et al.J Gastroenterol Hepatol. 2008 Sep;23(9):1403-9. doi: 10.1111/j.1440-1746.2007.05220.x. Epub 2007 Nov 14.J Gastroenterol Hepatol. 2008.PMID: 18005014