References
- Miller T L, Wolin M J. Enumeration of Methanobrevibacter smi-thii in human feces. Arch Microbiol 1982; 131: 14–8
- Miller T L, Wolin M J. Methanogens in human and animal intestinal tracts. System Appl Microbiol 1986; 7: 223–39
- Levitt M D, Inglefinger F J. Hydrogen and methane production in man. Ann NY Acad Sci 1968; 150: 75–81
- Levitt M D, Bond J H. Volume, composition and course of intestinal gas. Gastroenterology 1979; 59: 921–9
- Bond J H, Engel R R, Levitt M D. Factors influencing pulmonary methane excretion in man: an indirect method of studying the in situ metabolism of methane-producing colonic bacteria. J Exp Med 1971; 133: 572–88
- Peled Y, Gilat T, Liberman E, Bujanover Y. The development of methane production in childhood and adolescence. J Pediatr Gastroenterol Nutr 1985; 4: 575–9
- Pitt P, de Bruijn K M, Beeching M F, Goldberg E, Blendis L M. Studies on breath methane: the effects of ethnic origins and lactulose. Gut 1980; 21: 951–9
- Haines A P, Imeson J D, Wiggins H S. Relation of breath methane with obesity and other factors. Int J Obesity 1984; 8: 675–80
- McKay L F, Brydon W G, Eastwood M A, Smith J H. The influence of pentose on breath methane. Am J Clin Nutr 1981; 34: 2728–33
- Gibson G R, Macfarlane G T, Cummings J H. Occurrence of sulphate-reducing bacteria in human faeces and the relationship of dissimilatory sulphate reduction to methanogenesis in the large gut. J Appl Bacteriol 1988; 65: 103–11
- Weaver G A, Krause J A, Miller T L, Wolin M J. Incidence of methanogenic bacteria in a sigmoidoscopy population: an association of methanogenic bacteria and diverticulosis. Gut 1980; 27: 698–704
- Haines A P, Metz G, Dilawari J, Blendis L, Wiggins H. Breath methane in patients with cancer of the large bowel. Lancet 1977; 2: 481–3
- Pique J M, Pallar6s M, Cus6 E, Vilar-Bonet J, Gassull M A. Methane production and colon cancer. Gastroenterology 1984; 87: 601–5
- McKay L F, Brydon W G, Eastwood M A, Housley E. The influence of peripheral vascular disease on methanogenesis in man. Atherosclerosis 1983; 47: 77–81
- Drasar B S, Tomkins A M, Wiggins H S, Hudson M J. Breath methane levels and intestinal methanogenesis among rural Nigerians on a local diet. Proc Nutr Soc 1984; 43: 86A
- Segal I, Walker A RP, Lord S, Cummings J H. Breath methane and large bowel cancer risk in contrasting African populations. Gut 1988; 29: 608–13
- Flatz G, Czeizel A, Métneki J, Flatz S D, Kühnau W, Jahn D. Pulmonary hydrogen and methane excretion following ingestion of an unabsorbable carbohydrate: a study of twins. J Ped Gas-troent Nutr 1985; 4: 936–41
- Karlin D A, Mastromarino A J, Jones R D, Stroehlein J R, Lorentz O. Fecal skatole and indole and breath methane and hydrogen in patients with large bowel polyps or cancer. J Cancer Res Clin Oncol 1985; 109: 135–41
- Tomkins A M, Drasar B S, Bradley A K, Williamson W A. Water supply and nutritional status in rural northern Nigeria. Trans R Soc Trop Med Hyg 1978; 72: 239–45
- Drasar B S, Montgomery F, Tomkins A M. Diet and faecal flora in three dietary groups in rural northern Nigeria. J Hyg (Camb) 1986; 96: 59–65
- Bordello S P, Drasar B S, Tomkins A M, Hill M J. Relative carriage rates of nuclear dehydrogenating Clostridia in two populations of different colorectal cancer risk. J Clin Pathol 1983; 36: 93–5
- Crowther J S. Transport and storage of faeces for bacteriological examination. J Appl Bacteriol 1971; 34: 477–83
- Anaerobe laboratory manual. 4th ed., L V Holdeman, E P Cato, W EC Moore. Virginia Polytechnic Institute and State University, Blacksburg, VA 1977; 141–8
- Balch W E, Fox G E, Magrum L J, Woese C R, Wolfe R S. Methanogens: reevaluation of a unique biological group. Microbiol Rev 1979; 43: 265–96
- Sutter V L, Citron D M, Finegold S M. Wadsworth anaerobic bacteriology manual. 3rd ed. CV Mosby, St Louis, MO 1980; 99–100
- Miller T L, Wolin M J. Stability of Methanobrevibacter smithii populations in the microbial flora excreted from the human large bowel. Appl Environ Microbiol 1983; 45: 317–8
- Postgate J R. Methane as a minor product of pyruvate metabolism by sulphate-reducing and other bacteria. J Gen Microbiol 1969; 57: 293–302
- McKay L F, Holbrook W P, Eastwood M A. Methane and hydrogen production by human intestinal anaerobic bacteria. Acta Pathol Microbiol Scand [B] 1982; 90: 257–60