1Islam, MZ, Shamim, AA, Kemi, V, Nevanlinna, A, Akhtaruzzaman, M, Laaksonen, M, Jehan, AH, Jehan, K, Khan, HU & Lamberg-Allardt, C (2008) Vitamin D deficiency and low bone status in adult female garment workers in Bangladesh. Br J Nutr 99, 1322–1329.
2Woo, J, Lam, CWK, Leung, J, et al. (2008) Very high rates of vitamin D insufficiency in women of child-bearing age living in Beijing and Hong Kong. Br J Nutr 99, 1330–1334.
3Fraser, DR (2004) Vitamin D-deficiency in Asia. J Steroid Biochem Mol Biol 89–90, 491–495.
4Lips, P (2007) Vitamin D status and nutrition in Europe and Asia. J Steroid Biochem Mol Biol 103, 620–625.
5Prentice, A (2008) Vitamin D deficiency: a global perspective Nutr Rev .
6The Scientific Advisory Committee on Nutrition (2007) Update on Vitamin D. London: The Stationery Office.
7Department of Health (1998) Nutrition and Bone Health: With Particular Reference to Calcium and Vitamin D. London: The Stationery Office.
8Horst, RL, Reinhardt, TA & Reddy, GS (2005) Vitamin D metabolism. In Vitamin D, 2nd ed., pp. 15–36 [Feldman, D, Pike, JW and Glorieux, FH, editors]. Burlington, MA: Elsevier Academic Press.
9Bischoff-Ferrari, HA, Giovannucci, E, Willett, WC, Dietrich, T & Dawson-Hughes, B (2006) Estimation of optimal serum concentrations of 25-hydroxyvitamin D for multiple health outcomes. Am J Clin Nutr 84, 18–28.
10Norman, AW, Bouillon, R, Whiting, SJ, Vieth, R & Lips, P (2007) 13th Workshop consensus for vitamin D nutritional guidelines. J Steroid Biochem Mol Biol 103, 204–205.
11Binkley, N, Drezner, MK & Hollis, BW (2006) Laboratory reporting of 25-hydroxyvitamin D results: potential for clinical misinterpretation. Clin Chem 52, 2124–2125.
12Bates, CJ, Carter, GD, Mishra, GD, O'Shea, D, Jones, J & Prentice, A (2003) In a population study, can parathyroid hormone aid the definition of adequate vitamin D status? A study of people aged 65 years and over from the British National Diet and Nutrition Survey. Osteoporos Int 14, 152–159.
13Chapuy, MC, Preziosi, P, Maamer, M, Arnaud, S, Galan, P, Hercberg, S & Meunier, PJ (1997) Prevalence of vitamin D insufficiency in an adult normal population. Osteoporos Int 7, 439–443.
14Hodsman, AB, Hanley, DA, Watson, PH & Fraher, LJ (2002) Parathyroid hormone. In Principles of Bone Biology, pp. 1305–1324 [Bilezikian, JP, Raisz, LG and Rodan, GA, editors]. New York: Academic Press.
15Malabanan, A, Veronikis, IE & Holick, MF (1998) Redefining vitamin D insufficiency. Lancet 351, 805–806.
16Vieth, R, Ladak, Y & Walfish, PG (2003) Age-related changes in the 25-hydroxyvitamin D versus parathyroid hormone relationship suggest a different reason why older adults require more vitamin D. J Clin Endocrinol Metab 88, 185–191.
17Prentice, A, Goldberg, GR & Schoenmakers, I (2008) Vitamin D across the life cycle: physiology and biomarkers Am J Clin Nutr .
18Souberbielle, JC, Cormier, C, Kindermans, C, Gao, P, Cantor, T, Forette, F & Baulieu, EE (2001) Vitamin D status and redefining serum parathyroid hormone reference range in the elderly. J Clin Endocrinol Metab 86, 3086–3090.
19Yan, L, Zhou, B, Wang, X, D'Ath, S, Laidlaw, A, Laskey, MA & Prentice, A (2003) Older people in China and the United Kingdom differ in the relationships among parathyroid hormone, vitamin D, and bone mineral status. Bone 33, 620–627.
20Aspray, TJ, Yan, L & Prentice, A (2005) Parathyroid hormone and rates of bone formation are raised in perimenopausal rural Gambian women. Bone 36, 710–720.
21Prentice, A (2004) Diet, nutrition and the prevention of osteoporosis. Public Health Nutr 7, 227–243.
22Institute of Medicine, Food and Nutrition Board (1997) Dietary Reference Intakes for Calcium, Phosphorus, Magnesium, Vitamin D and Fluoride. Washington, DC: National Academic Press.
23Diffey, BL (2002) Sources and measurement of ultraviolet radiation. Methods 28, 4–13.
24Yan, L, Prentice, A, Zhang, H, Wang, X, Stirling, DM & Golden, MM (2000) Vitamin D status and parathyroid hormone concentrations in Chinese women and men from north-east of the People's Republic of China. Eur J Clin Nutr 54, 68–72.
25Cooper, C, Javaid, K, Westlake, S, Harvey, N & Dennison, E (2005) Developmental origins of osteoporotic fracture: the role of maternal vitamin D insufficiency. J Nutr 135, 2728S–2734S.
26Javaid, MK, Crozier, SR, Harvey, NC, Gale, CR, Dennison, EM, Boucher, BJ, Arden, NK, Godfrey, KM & Cooper, C; Princess Anne Hospital Study Group (2006) Maternal vitamin D status during pregnancy and childhood bone mass at age 9 years: a longitudinal study. Lancet 367, 36–43.