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van Dokkum, W. (author), Schrijver, J. (author), Wesstra, J.A. (author), Instituut CIVO-Toxicologie en Voeding TNO (author)
The biological variability of the values of various biochemical indices used for the assessment of the nutritional status of man was investigated in 4 healthy male volunteers (mean age 23 years). They were given a constant diet for 60 d, with the nutrient intake at the level of the Dutch recommendations. Blood was collected twice a week and 24-h...
article 1990
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van Dokkum, W. (author), Wesstra, A. (author), Luyken, R. (author), Hermus, R.J.J. (author), Instituut CIVO-Toxicologie en voeding TNO (author)
Twelve young men were given for periods of 20 d, each of three mixed diets, namely a low-protein (LP) diet (9% total energy as protein, 67% of animal origin), a high-animal-protein (HA) diet (16% total energy as protein, 67% of animal origin) and a high-vegetable-protein (HV) diet (16% total energy as protein, 67% of vegetable origin). Retention...
article 1986
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van Dokkum, W. (author), de Boer, B.C.J. (author), van Faassen, A. (author), Pikaar, N.A. (author), Hermus, R.J.J. (author), Instituut CIVO-Toxicologie en voeding TNO (author)
We suggest that a lower faecal pH may be correlated with a lower mortality of large-bowel cancer and that faecal pH should always be considered in epidemiological studies on the role of diet in colon carcinogenesis.
article 1983