1Hunter, Dj, Spiegelman, D, Adami, H-O, Beeson, L, Van den Brandt, PA, Folsom, AR, et al. Cohort studies of fat intake and the risk of breast cancer – a pooled analysis. N. Engl. J. Med. 1996; 334: 356–61.
2Fuchs, CS, Giovannucci, EL, Colditz, GA, Hunter, DJ, Stampfer, MJ, Rosner, B, et al. Dietary fiber and the risk of colorectal cancer and adenoma in women. N. Engl. J. Med. 1999; 340: 169–76.
3Michels, KB, Giovannucci, E, Joshipura, KJ, Rosner, BA, Stampfer, MJ, Fuchs, CS, et al. Prospective study of fruit and vegetable consumption and incidence of colon and rectal cancers. J. Natl. Cancer Inst. 2000; 92: 1740–52.
4Beaton, GH, Milner, J, Corey, P, McGuire, V, Cousins, M, Stewart, E, et al. Sources of variance in 24-hour dietary recall data: implications for nutrition study design and interpretation. Am. J. Clin. Nutr. 1979; 32: 2546–9.
5Freudenheim, JL, Marshall, JR. The problem of profound mismeasurement and the power of epidemiological studies of diet and cancer. Nutr. Cancer. 1988; 11: 243–50.
6Freedman, LS, Schatzkin, A, Wax, J. The impact of dietary measurement error on planning sample size required in a cohort study. Am. J. Epidemiol. 1990; 132: 1185–95.
7Kipnis, V, Carroll, RJ, Freedman, LS, Li, L. Implications of a new dietary measurement error model for estimation of relative risk: application to four calibration studies. Am. J. Epidemiol. 1999; 150: 642–51.
8Willett, W. Nutritional Epidemiology. New York: Oxford University Press, 1990.
9Rosner, B, Willett, WC. Interval estimates for correlation coefficients corrected for within-person variation: implications for study design and hypothesis testing. Am. J. Epidemiol. 1988; 127: 377–86.
10Rosner, B, Willett, WC, Spiegelman, D. Correction of logistic regression relative risk estimates and confidence intervals for systematic within-person measurement error. Stat. Med. 1989; 8: 1051–69.
11Bandini, LG, Schoeller, DA, Cyr, HN, Dietz, WH. Validity of reported energy intake in obese and nonobese adolescents. Am. J. Clin. Nutr. 1990; 52: 421–5.
12Livingstone, MBE, Prentice, AM, Strain, JJ, Coward, WA, Black, AE, Barker, ME, et al. Accuracy of weighed dietary records in studies of diet and health. Br. Med. J. 1990; 300: 708–12.
13Heitmann, BL. The influence of fatness, weight change, slimming history and other lifestyle variables on diet reporting in Danish men and women aged 35–65 years. Int. J. Obes. 1993; 17: 329–36.
14Heitmann, BL, Lissner, L. Dietary underreporting by obese individuals – is it specific or non-specific?. Br. Med. J. 1995; 311: 986–9.
15Martin, LJ, Su, W, Jones, PJ, Lockwood, GA, Tritchler, DL, Boyd, NF. Comparison of energy intakes determined by food records and doubly labeled water in women participating in a dietary-intervention trial. Am. J. Clin. Nutr. 1996; 63: 483–90.
16Sawaya, AL, Tucker, K, Tsay, R, Willett, W, Saltzman, E, Dallal, GE, et al. Evaluation of four methods for determining energy intake in young and older women: comparison with doubly labeled water measurements of total energy expenditure. Am. J. Clin. Nutr. 1996; 63: 491–9.
17Black, AE, Bingham, SA, Johansson, G, Coward, WA. Validation of dietary intakes of protein and energy against 24 hour urinary N and DLW energy expenditure in middle-aged women, retired men and post-obese subjects: comparisons with validation against presumed energy requirements. Eur. J. Clin. Nutr. 1997; 51: 405–13.
18Prentice, RL. Measurement error and results from analytic epidemiology: dietary fat and breast cancer. J. Natl. Cancer Inst. 1996; 88: 1738–47.
19Kipnis, V, Midthune, D, Freedman, LS, Bingham, S, Schatzkin, A, Subar, A, et al. Empirical evidence of correlated biases in dietary assessment instruments and its implications. Am. J. Epidmiol. 2001; 153: 394–403.
20Carroll, RJ, Ruppert, D, Stefanski, LA. Measurement Error in Nonlinear Models. London: Chapman & Hall, 1995.
21Kaaks, R, Riboli, E, van Staveren, W. Calibration of dietary intake measurements in prospective cohort studies. Am. J. Epidemiol. 1995; 142: 548–56.
22Freedman, LS, Carroll, RJ, Wax, Y. Estimating the relation between dietary intake obtained from a food frequency questionnaire and true average intake. Am. J. Epidemiol. 1991; 134: 310–20.
23Kaaks, RJ. Biochemical markers as additional measurements in studies of the accuracy of dietary questionnaire measurements: conceptional issues. Am. J. Clin. Nutr. 1997; 65(Suppl.): 1232S–9S.
24Bingham, SA, Cummings, JH. Urine nitrogen as an independent validatory measure of dietary intake: a study of nitrogen balance in individuals consuming their normal diet. Am. J. Clin. Nutr. 1985; 42: 1276–89.
25Kaaks, R, Slimani, N, Riboli, E. Pilot phase studies on the accuracy of dietary intake measurements in the EPIC project: overall evaluation of results. European Prospective Investigation into Cancer and Nutrition. Int. J. Epidemiol. 1997; 26(Suppl. 1): s26–36.
26Bingham, SA, Gill, C, Welch, A, Cassidy, A, Runswick, SA, Oakes, S, et al. Validation of dietary assessment methods in the UK arm of EPIC using weighed records and 24-hour urinary nitrogen and potassium and serum vitamin C and carotenoids as biomarkers. Int. J. Epidemiol. 1997; 26(Suppl. 1): S137–51.
27Day, N, Oakes, S, Luben, R, Khaw, KT, Bingham, S, Welch, A, et al. EPIC–Norfolk: study design and characteristics of the cohort. Br. J. Cancer 1999; 80(Suppl. 1): 95–103.
28Campbell, WW, Crim, MC, Dallal, GE, Young, VR, Evans, WJ. Increased protein requirements in elderly people: new data and retrospective reassessments. Am. J. Clin. Nutr. 1994; 60: 501–9.
29Zanni, E, Calloway, DH, Zezulka, AY. Protein requirements of elderly men. J. Nutr. 1979; 109: 513–24.
30Oddoye, EA, Margen, S. Nitrogen balance studies in humans: long-term effect of high nitrogen intake on nitrogen accretion. J. Nutr. 1979; 109: 363–77.
31Weller, LA, Calloway, DH, Margen, S. Nitrogen balance of men fed amino acid mixtures based on Rose's requirements, egg white protein, and serum free amino acid patterns. J. Nutr. 1971; 101: 1499–508.
32Bunker, VW, Lawson, MS, Stansfield, MF, Clayton, BE. Nitrogen balance studies in apparently healthy elderly people and those who are housebound. Br. J. Nutr. 1987; 57: 211–21.
33Uauy, R, Scrimshaw, NS, Young, VR. Human protein requirements: nitrogen balance response to graded levels of egg protein in elderly men and women. Am. J. Clin. Nutr. 1978; 31: 779–85.
34Castaneda, C, Charnley, JM, Evans, WJ, Crim, MC. Elderly women accommodate to a low-protein diet with losses of body cell mass, muscle function, and immune response. Am. J. Clin. Nutr. 1995; 62: 30–9.
35Cheng, AHR, Gomez, A, Bergan, JG, Lee, TC, Monckeberg, F, Chichester, CO. Comparative nitrogen balance study between young and aged adults using three levels of protein intake from a combination wheat–soy–milk mixture. Am. J. Clin. Nutr. 1978; 31: 12–22.
36Atinmo, T, Mbofung, CMF, Egun, G, Osotimehin, B. Nitrogen balance study in young Nigerian adult males using four levels of protein intake. Br. J. Nutr. 1988; 60: 451–8.
37Rand, WM, Scrimshaw, NS, Young, VR. Retrospective analysis of data from five long-term, metabolic balance studies: implications for understanding dietary nitrogen and energy utilization. Am. J. Clin. Nutr. 1985; 42: 1339–50.
38Tarnopolsky, MA, Atkinson, SA, MacDougall, JD, Chesley, A, Phillips, S, Schwarcz, HP. Evaluation of protein requirements for trained strength athletes. J. Appl. Physiol. 1992; 73: 1986–95.
39Pannemans, DLE, Wagenmakers, AJM, Westerterp, KR, Schaafsma, G, Halliday, D. Effect of protein source and quantity on protein metabolism in elderly women. Am. J. Clin. Nutr. 1998; 68: 1228–35.
40Wayler, A, Queiroz, E, Scrimshaw, NS, Steinke, FH, Rand, WM, Young, VR. Nitrogen balance studies in young men to assess the protein quality of an isolated soy protein in relation to meat proteins. J. Nutr. 1983; 113: 2485–91.
41Young, VR, Wayler, A, Garza, C, Steinke, FH, Murray, E, Rand, WM, et al. A long-term metabolic balance study in young men to assess the nutritional quality of an isolated soy protein and beef proteins. Am. J. Clin. Nutr. 1984; 39: 8–15.
42Matthews, DE. Proteins and amino acids. In: Shils, ME, Olson, JA, Shike, M, Ross, AC, eds. Modern Nutrition in Health and Disease, 9th ed. Baltimore, MD: Williams & Wilkins, 1999; 11–48.