References
- Allen L H, Black A K, Backstrand J R, Pelto G H, Ely R D, Molina E, Chávez A. An analytical approach for exploring the importance of dietary quality versus quantity in the growth of Mexican children. Food Nutr. Bull. 1991; 13: 95–104
- Bundy R, Persaud C, Jackson A A. Measurements of urea kinetics with a single dose of [15N15N]-urea in free-living female vegetarians on their habitual diet. Int. J. Food Sci. Nutr. 1993; 44: 253–259
- Danielsen M, Jackson A A. Limits of adaptation to a diet low in protein in normal man. Clin. Sci. 1992; 83: 103–108
- FAO/WHO/UNU. Energy and protein requirements. Report of a joint FAO/WHO/UNU consultation. Technical Report Series 724, Geneva World Health Organization. 1985
- Gattas V, Barrera G A, Riumallo J S, Uauy R. Protein-energy requirements of prepubertal school-age boys determined by using the nitrogen balance response to a mixed diet protein. Am. J. Clin. Nutr. 1990; 82: 1037–1042
- Graham D Y, Klein P D, Evans D G, Alport L C, Opekan A R, Boutton T W. Campylobacter pylori detected non-invasively by the 13C-urea breath test. Lancet 1987; i: 1174–1177
- Hibbert J M, Jackson A A. Variations in measures of urea kinetics over four years in a single adult. Eur. J. Clin. Nutr. 1991; 45: 347–351
- Hibbert J M, Forrester T, Jackson A A. Urea kinetics: comparison oral and intravenous dose regimens. Eur. J. Clin. Nutr. 1992; 46: 405–409
- Jackson A A. Chronic malnutrition: protein metabolism. Proc. Nutr. Soc. 1993; 52: 1–10
- Jackson A A. Urea as a nutrient: bioavailability and role in nitrogen economy. Arch. Dis. Child. 1994; 70: 3–4
- Jackson A A, Golden M HN, Jahoor P F, Landman J. The isolation of urea nitrogen and ammonia nitrogen from biological samples for mass spectrometry. Anal. Biochem. 1980; 105: 14–17
- Jackson A A, Picou D, Landman J. The non-invasive measurement of urea kinetics in normal man by a constant infusion of 15N15N-urea. Hum. Nutr. Clin. Nutr. 1984; 38C: 339–354
- Jackson A A, Doherty J, deBenoist M-H, Hibbert J, Persaud C. The effect of the level of dietary protein, carbohydrate and fat on urea kinetics in young children during rapid catch-up weight gain. Br. J. Nutr. 1990; 64: 371–385
- Jackson A A, Wootton S A. The energy requirements for growth and catch-up growth. In Activity, Energy Expenditure and Energy Requirements of Infants and Children, B Schurch, N S Scrimshaw. International Dietary Energy Consultative Group, Switzerland 1990; 185–214
- Jackson A A, Danielsen M, Boyes S. A non-invasive method for measuring urea kinetics with a single dose of 15N15N-urea in free living people. J. Nutr. 1993; 123: 2129–2136
- Jackson A A, Margetts D M. Protein intakes in the adult population of the UK. Int. J. Food Sci. Nutr. 1993; 44: 95–104
- Kaplan A. Standard Methods in Clinical Chemistry. Academic Press, New York 1965; 245–256
- Langran M, Moran B J, Murphy J L, Jackson A A. Adaptation to a diet low in protein: effect of complex carbohydrates upon urea kinetics in normal man. Clin. Sci. 1992; 82: 191–198
- Long C J, Jeevenandam M, Kinney J M. Metabolism and recycling of urea in man. Am. J. Clin. Nutr. 1978; 31: 1367–1382
- Norgan N G, Fidanza F, Sarchielli P. Skinfold thicknesses. Nutritional Status Assessment: A Manual for Population Studies, F Fidanza. Chapman & Hall, London 1991; 29–40
- Picou D, Phillips M. Urea metabolism in malnourished and recovered children receiving a high or low protein diet. Am. J. Clin. Nutr. 1972; 25: 1367–1382
- Scares M J, Piers L S, Shetty P S, Jackson A A, Waterlow J C. Whole-body protein turnover in chronic under-nutrition. Clin. Sci. 1994; 86: 441–446
- Steinbrecher H A, Griffiths D M, Jackson A A. Urea kinetics in normal breast fed infants measured in their homes. Proc. Nutr. Soc. 1994, In press
- Walker J M, Bond S A, Voss L D, Betts P R, Wootton S A, Jackson A A. Short normal children treated with growth hormone – a cautionary tale?. Lancet 1990; 336: 1331–1334
- Walser M, Bodenlos L J. Urea metabolism in man. J. Clin. Invest. 1959; 38: 1617–1626
- Walser M, George J, Bodenlos L J. Altered proportions of isotopes of molecular nitrogen as evidence for a monomolecular reaction. J. Chem. Phys. 1954; 22: 1146
- Waterlow J C, Schurch B. Causes and mechanisms of linear growth retardation. Eur. J. Clin. Nutr. 1994; 48(Suppl. 1)
- Wheeler R A, Jackson A A, Griffiths D M. Urea production and recycling in neonates. J. Paed. Surg. 1991; 26: 575–577