1. Annison EF, Armstrong DG: Volatile fatty acid metabolism and energy supply.In Physiology of Digestion and Metabolism in the Ruminant, AT Phillipson (ed). Newcastle Upon Tyne, England, Oriel, 1970, pp. 422?437
2. Stevens CE, Argenzio RA, Clemens ET: Microbial digestion: Rumen versus large intestine.In Digestive Physiology and Metabolism in Ruminants, Y Ruckebusch, (ed). Lancaster, Int. Med. Publishers, 1980 pp. 635?656
3. Rubinstein R, Howard AV, Wrong OM:In vivo dialysis of faeces as a method of stool analysis. IV. The organic anion component. Clin Sci 37:549?564, 1969
4. McNeil NI, Cummings JH, James WPT: Short chain fatty acid absorption by the human large intestine. Gut 19:819?822, 1978
5. Ash RW, Dobson A: The effect of absorption on the acidity of rumen contents. J Physiol (London) 169:39?61, 1963