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O'Grady JG, Alexander GJ, Hayllar KM, Williams R.O'Grady JG, et al. Among authors: alexander gj.Gastroenterology. 1989 Aug;97(2):439-45. doi: 10.1016/0016-5085(89)90081-4.Gastroenterology. 1989.PMID: 2490426
Lau JY, Bain VG, Davies SE, O'Grady JG, Alberti A, Alexander GJ, Williams R.Lau JY, et al. Among authors: alexander gj.Gastroenterology. 1992 Mar;102(3):956-62. doi: 10.1016/0016-5085(92)90182-x.Gastroenterology. 1992.PMID: 1537531
O'Grady JG, Smith HM, Davies SE, Daniels HM, Donaldson PT, Tan KC, Portmann B, Alexander GJ, Williams R.O'Grady JG, et al. Among authors: alexander gj.J Hepatol. 1992 Jan;14(1):104-11. doi: 10.1016/0168-8278(92)90138-f.J Hepatol. 1992.PMID: 1737910
Harrison PM, Wendon JA, Gimson AE, Alexander GJ, Williams R.Harrison PM, et al. Among authors: alexander gj.N Engl J Med. 1991 Jun 27;324(26):1852-7. doi: 10.1056/NEJM199106273242604.N Engl J Med. 1991.PMID: 1904133Free article.Clinical Trial.
Keays R, Harrison PM, Wendon JA, Forbes A, Gove C, Alexander GJ, Williams R.Keays R, et al. Among authors: alexander gj.BMJ. 1991 Oct 26;303(6809):1026-9. doi: 10.1136/bmj.303.6809.1026.BMJ. 1991.PMID: 1954453Free PMC article.Clinical Trial.
Harrison PM, Keays R, Bray GP, Alexander GJ, Williams R.Harrison PM, et al. Among authors: alexander gj.Lancet. 1990 Jun 30;335(8705):1572-3. doi: 10.1016/0140-6736(90)91388-q.Lancet. 1990.PMID: 1972496
Harrison PM, O'Grady JG, Keays RT, Alexander GJ, Williams R.Harrison PM, et al. Among authors: alexander gj.BMJ. 1990 Oct 27;301(6758):964-6. doi: 10.1136/bmj.301.6758.964.BMJ. 1990.PMID: 2249026Free PMC article.
Forbes A, Alexander GJ, O'Grady JG, Keays R, Gullan R, Dawling S, Williams R.Forbes A, et al. Among authors: alexander gj.Hepatology. 1989 Sep;10(3):306-10. doi: 10.1002/hep.1840100309.Hepatology. 1989.PMID: 2759548
O'Grady JG, Alexander GJ, Thick M, Potter D, Calne RY, Williams R.O'Grady JG, et al. Among authors: alexander gj.Q J Med. 1988 Oct;68(258):817-24.Q J Med. 1988.PMID: 3268893
Arnold JC, Portmann BC, O'Grady JG, Naoumov NV, Alexander GJ, Williams R.Arnold JC, et al. Among authors: alexander gj.Hepatology. 1992 Aug;16(2):285-92. doi: 10.1002/hep.1840160202.Hepatology. 1992.PMID: 1322347