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Skinner RK, Sherlock S, Long RG, Wilis MR.Skinner RK, et al. Among authors: long rg.Lancet. 1977 Apr 2;1(8014):720-1. doi: 10.1016/s0140-6736(77)92166-3.Lancet. 1977.PMID: 66518
Barragry JM, Long RG, France MW, Wills MR, Boucher BJ, Sherlock S.Barragry JM, et al. Among authors: long rg.Gut. 1979 Jul;20(7):559-64. doi: 10.1136/gut.20.7.559.Gut. 1979.PMID: 226459Free PMC article.
Elias E, Hamlyn AN, Jain S, Long RG, Summerfield JA, Dick R, Sherlock S.Elias E, et al. Among authors: long rg.Gastroenterology. 1976 Sep;71(3):439-43.Gastroenterology. 1976.PMID: 950094Clinical Trial.
Smith-Laing G, Scott J, Long RG, Dick R, Sherlock S.Smith-Laing G, et al. Among authors: long rg.Gastroenterology. 1981 May;80(5 pt 1):1031-6.Gastroenterology. 1981.PMID: 7009311Clinical Trial.
Long RG, Varghese Z, Meinhard EA, Skinner RK, Wills MR, Sherlock S.Long RG, et al.Br Med J. 1978 Jan 14;1(6105):75-7. doi: 10.1136/bmj.1.6105.75.Br Med J. 1978.PMID: 620204Free PMC article.
Long RG, Lake BD, Pettit JE, Scheuer PJ, Sherlock S.Long RG, et al.Am J Med. 1977 Apr;62(4):627-35. doi: 10.1016/0002-9343(77)90426-0.Am J Med. 1977.PMID: 557899
Galizzi J, Long RG, Billing BH, Sherlock S.Galizzi J, et al. Among authors: long rg.Gut. 1978 Jan;19(1):40-5. doi: 10.1136/gut.19.1.40.Gut. 1978.PMID: 624504Free PMC article.