Christl, S.U., Gibson, G. ORCID: https://orcid.org/0000-0002-0566-0476 and Cummings, J.H. (1992) Role of dietary sulphate in the regulation of methanogenesis in the human large intestine. Gut (33). pp. 1234-1238.

Christl, S.U., Murgatroyd, P.R., Gibson, G. ORCID: https://orcid.org/0000-0002-0566-0476 and Cummings, J.H. (1992) Production, excretion and metabolism of hydrogen in the large intestine. Gastroenterology (102). pp. 1269-1277.

Macfarlane, G.T., Gibson, G. ORCID: https://orcid.org/0000-0002-0566-0476 and Cummings, J.H. (1992) Comparison of fermentation reactions in different regions of the human colon. Journal of Applied Bacteriology (72). pp. 56-62.

Macfarlane, G.T., Gibson, G. ORCID: https://orcid.org/0000-0002-0566-0476, Beatty, E. and Cummings, J.H. (1992) Estimation of short chain fatty acid production from protein by human intestinal bacteria¬ based on branched chain fatty acid production. FEMS Microbiology Ecology (101). pp. 81-88.

Macfarlane, G.T., Gibson, S.A.W. and Gibson, G. ORCID: https://orcid.org/0000-0002-0566-0476 (1992) Proteolytic activities of the fragilis group of Bacteroides spp. In: Duerden, B.I., Brazier, J.S., Seddon, S.V. and Wade, W.G. (eds.) Medical and Environmental Aspects of Anaerobes. Wrightson Biomedical Publications Ltd., Petersfield, pp. 130-143.

Macfarlane, G.T., Macfarlane, S. and Gibson, G. ORCID: https://orcid.org/0000-0002-0566-0476 (1992) Synthesis and release of proteases by Bacteroides fragilis. Current Microbiology (24). pp. 55-59. ISSN 0343-8651

Thomas, J.E., Gibson, G. ORCID: https://orcid.org/0000-0002-0566-0476, Dabou, M.K., Dale, A. and Weaver, L. (1992) Isolation of Helicobacter pylori from human faeces. Lancet (340). pp. 1194-1195.

Tsai, H.H., Sunderland, D., Gibson, G. ORCID: https://orcid.org/0000-0002-0566-0476, Hart, C.A. and Rhodes, J.M. (1992) A novel mucin sulphatase from human faeces: its identification, purification and characterization. Clinical Science (82). pp. 447-454.