1Tham, DM, Gardner, CD & Haskell, WL (1998) Clinical review 97: potential health benefits of dietary phytoestrogens: a review of the clinical, epidemiological and mechanistic evidence. J Clin Endocrin Met 83, 2223–2235.
2Geller, SE & Studee, L (2005) Botanical and dietary supplements for menopausal symptoms: what works, what doesn't. J Wom Health (Larchmt) 14, 634–649.
3Chiechi, LM & Micheli, L (2005) Utility of dietary phytoestrogens in preventing postmenopausal osteoporosis. Curr Top Nutra Res 3, 15–28.
4Cotterchio, M, Boucher, BA, Manno, M, et al. (2006) Dietary phytoestrogen intake is associated with reduced colorectal cancer risk. J Nutr 136, 3046–3053.
5Trock, BL, Hilakivi-Clarke, L & Clarke, R (2006) Meta-analysis of soy intake and breast cancer risk. J Natl Cancer Inst 98, 459–471.
6Wu, AH, Yu, NC, Tseng, CC, et al. (2008) Epidemiology of soy exposures and breast cancer risk. Br J Cancer 98, 9–14.
7Gammon, MD, Fink, BN, Steck, SE, et al. (2008) Soy intake and breast cancer: an elucidation of an unanswered question. Br J Cancer 98, 2–3.
8Messina, M & Wu, AH (2009) Perspectives on the soy–breast cancer relation. Am J Clin Nutr 89, 1673S–1679S.
9Velentzis, LS, Cantwell, MM, Cardwell, C, et al. (2009) Lignans and breast cancer risk in pre- and post-menopausal women: meta-analysis of observational studies. Br J Cancer 100, 1492–1498.
10Patisaul, HB & Jefferson, W (2010) The pros and cons of phytoestrogens. Front Neuroendocrinol 31, 400–419.
11Gold, EB, Flatt, SW, Pierce, JP, et al. (2006) Dietary factors and vasomotor symptoms in breast cancer survivors: the WHEL Study. Menopause 13, 423–433.
12Kurzer, MS (2003) Phytoestrogen supplement use by women. J Nutr 133, 1983S–1986S.
13Rice, S & Whitehead, SA (2006) Phytoestrogens and breast cancer – promoters or protectors? Endocr Relat Cancer 13, 995–1015.
15Wiseman, H, Casey, K, Clarke, D, et al. (2002) Isoflavone aglycone and gluco-conjugate content of commercial and “home-prepared” high soy and low soy foods and food dishes in the UK selected for use in chronic controlled nutritional studies. J Agric Food Chem 50, 1404–1419.
16Clarke, DB, Bailey, V & Lloyd, AS (2008) Determination of phytoestrogens in dietary supplements by LC–MS/MS. Food Add Contam 25, 534–547.
17Clarke, DB, Barnes, KA, Castle, L, et al. (2003) Levels of phytoestrogens, inorganic trace-elements, natural toxicants and nitrate in vegetarian duplicate diets. Food Chem 81, 287–300.
18Clarke, DB & Lloyd, AS (2004) Dietary exposure estimates of isoflavones from the 1998 UK Total Diet Study. Food Add Contam 21, 305–316.
19French, MR, Thompson, LU & Hawker, GA (2007) Validation of a phytoestrogen food frequency questionnaire with urinary concentrations of isoflavones and lignan metabolites in premenopausal women. J Am Coll Nutr 26, 76–83.
20Schwartz, H, Sontang, G & Plumb, J (2009) Inventory of phytoestrogen databases. Food Chem 113, 736–747.
21Ritchie, MR, Cummings, JH, Morton, MS, et al. (2006) A newly constructed and validated isoflavone database for the assessment of total genistein and daidzein intake. Br J Clin Nutr 95, 204–213.
23Ritchie, MR, Morton, MS, Deighton, N, et al. (2004) Plasma and urinary phytoestrogens as biomarkers of intake: validation by duplicate diet analysis. Br J Nutr 91, 447–457.
24Pillow, PC, Duphorne, CM, Chang, S, et al. (1999) Development of a database for assessing dietary phytoestrogen intake. Nutr Cancer 33, 3–19.
25Horn-Ross, PL, Barnes, S, Lee, VS, et al. (2006) Reliability and validity of an assessment of usual phytoestrogen consumption (United States). Cancer Causes and Control 17, 85–93.
26Kiely, M, Faughnan, M, Wahala, K, et al. (2003) Phytoestrogen levels in foods: the design and construction of the VENUS database. B J Nutr 89, S19–S23.
27Blitz, CL, Murphy, SP & Au, DLM (2007) Adding lignan values to a food composition database. J Food Comp Anal 20, 99–105.
28Fraser, GE, Franke, AA, Jaceldo-Siegl, K, et al. (2010) Reliability of serum and urinary isoflavones estimates. Biomarkers 15, 135–139.
29Parry, BM, Milne, JM, Yadegarfar, G, et al. (2011) Dramatic dietary fat reduction is feasible in postmenopausal breast cancer patients: results of the randomised study, WINS(UK) – Stage 1. Eur J Surgl Oncol 37, 848–855.
30Moher, D, Schulz, KF & Altman, D (2001) The CONSORT statement: revised recommendations for improving the quality of reports for parallel-group randomised trials. JAMA 285, 1987–1991.
31Bingham, S & Cummings, JH (1983) The use of 4-amino benzoic acid as a marker to validate the completeness of 24 h collections in man. Clin Sci 64, 629–635.
33Clarke, DB, Lloyd, AS, Botting, NP, et al. (2002) Measurement of intact sulfate and glucuronide phytoestrogen conjugates in human urine using isotope dilution liquid chromatography–tandem mass spectrometry with [13C3]-isoflavone internal standards. Anal Biochem 309, 158–172.
34Bland, JM & Altman, DG (1986) Statistical method for assessing agreement between two methods of clinical measurement. Lancet i, 307–310.
35Klein, MA, Nahin, RL, Messina, MJ, et al. (2010) Guidance from an NIH workshop on designing, implementing and reporting clinical studies of soy intervention. J Nutr 140, 1192S–1204S.
36Liggins, J, Bluck, LJC, Runswick, S, et al. (2000) Daidzein and genistein content of vegetables. Br J Nutr 84, 717–725.
37Neuhouser, ML, Tinker, L, Shaw, PA, et al. (2008) Use of recovery markers to calibrate nutrient consumption self-reports in the women's health initiative. Am J Epidemiol 167, 1247–1259.
38Jakobsen, J, Pedersen, AN & Ovesen, L (2003) Para-amino benzoic acid (PABA) used as a marker for completeness of 24 h urine: effects of age and dosing schedule. Eur J Clin Nutr 57, 138–142.
39Setchell, KDR & Cole, SJ (2006) Method for defining equol-producer status and its frequency among vegetarians. J Nutr 136, 2188–2193.
40Jaceldo-Siegl, K, Fraser, GE, Chan, J, et al. (2008) Validation of soy protein estimates from a food-frequency questionnaire with repeated 24-h recalls and isoflavonoid excretion in overnight urine in a Western population with a range of soy intakes. Am J Clin Nutr 87, 1422–1427.
41de Kleijn, MJJ, van der Schouw, YT, Wilson, PWF, et al. (2002) Dietary intake of phytoestrogens is associated with a favourable cardiovascular risk profile in postmenopausal US women – the Framingham Study. J Nutr 132, 276–282.
42Keinan-Boker, L, van der Schouw, YT, De Kleijn, MJJ, et al. (2002) Intake of dietary phytoestrogens by Dutch women. J Nutr 132, 1319–1328.
43Horn-Ross, PL, John, EM, Canchola, AJ, et al. (2003) Phytoestrogen intake and endometrial cancer risk. J Natl Cancer Inst 95, 1158–1164.
44Vrieling, A, Voskuil, DW, Sas Bueno des Mesquita, H, et al. (2004) Dietary determinants of circulating insulin-like growth factor (IGF)-1 and IGF binding proteins 1, -2 and -3 in women in the Netherlands. Cancer Causes and Control 15, 787–796.
45Bhakta, D, dos Santos Silva, I, Higgins, C, et al. (2005) A semi-quantitative food frequency questionnaire is a valid indicator of the usual intake of phytoestrogens by South Asian women in the UK relative to multiple 24-hour recalls and multiple plasma samples. J Nutr 135, 116–123.
46Cheung, EYN, Ho, AYY, Lam, KF, et al. (2005) Determinants of bone mineral density in Chinese men. Osteoporos Int 16, 1481–1486.
47Hedelin, M, Klint, A, Chang, ET, et al. (2006) Dietary phytoestrogen, serum enterolactone and risk of prostate cancer: the Cancer Prostate Sweden Study (Sweden). Cancer Causes and Control 17, 169–180.
48Department for Environment, Food and Rural Affairs (2007) UK Purchases and Expenditure on Food and Drink and Derived Energy and Nutrient Intakes in 2005–06, published 18 January 2007, a National Statistics publication. London: Defra.
49Touillaud, MS, Thiebaut, ACM, Fournier, A, et al. (2007) Dietary lignan intake and postmenopausal breast cancer risk by estrogen and progesterone receptor status. J Nat Cancer Inst 99, 475–486.