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Jones AL, Bangash IH, Bouchier IA, Hayes PC.Jones AL, et al. Among authors: hayes pc.Gut. 1994 Sep;35(9):1290-3. doi: 10.1136/gut.35.9.1290.Gut. 1994.PMID: 7959240Free PMC article.
Forrest EH, Jones AL, Dillon JF, Walker J, Hayes PC.Forrest EH, et al. Among authors: hayes pc.J Hepatol. 1995 Sep;23(3):254-8. doi: 10.1016/0168-8278(95)80468-4.J Hepatol. 1995.PMID: 8550988
Shah SH, Hayes PC, Allan PL, Nicoll J, Finlayson ND.Shah SH, et al. Among authors: hayes pc.Am J Gastroenterol. 1996 Dec;91(12):2580-3.Am J Gastroenterol. 1996.PMID: 8946990
Stanley AJ, Therapondos G, Helmy A, Hayes PC.Stanley AJ, et al. Among authors: hayes pc.J Hepatol. 1999 Mar;30(3):479-84. doi: 10.1016/s0168-8278(99)80108-1.J Hepatol. 1999.PMID: 10190732Clinical Trial.