1. Trowell H. Definitions of fibre. Lancet 1974; i: 503.
2. Englyst HN, Cummings JH. Resistant starch, a “new” food component: a classification of starch for nutritional purposes. In: Morton ID, ed. Cereals in a European Context. Chichester: Ellis Horwood, 1987; 221–233.
3. Allinson TR. The Advantages of Wholemeal Bread. London: Allinson, 1931.
4. Kellogg WH. The New Dietetics: A Guide to the Scientific Feeding in Health and Disease. Battle Creek: Modern Medicine, 1923.
5. Cowgill GR, Anderson WE. Laxative effects of wheat bran and Vashed bran” in healthy men. JAMA 1932; 98:1866–1875.