References
Bolland MJ, Grey AB, Ames RW, Mason BH, Horne AM, Gamble GD, Reid IR (2006) Determinants of vitamin D status in older men living in a subtropical climate. Osteoporos Int 17:1742–1748
Heaney RP, Dowell MS, Hale CA, Bendich A (2003) Calcium absorption varies within the reference range for serum 25-hydroxyvitamin D. J Am Coll Nutr 22(2):142–146
Kendler D, Robson R, Handel M, Shapses S, Yang Z, Wilson T, Liu M, Mantz A, Wehren L, Santora A (2006) A 4-week, double-blind, randomized, controlled multicenter clinical trial to examine the effect of once-weekly alendronate 70 mg and vitamin D3 2800 IU on fractional calcium absorption in postmenopausal women. Osteoporos Int 17(Suppl 2):S220
Trivedi DP, Doll R, Khaw KT (2003) Effect of four monthly oral vitamin D3 (cholecalciferol) supplementation on fractures and mortality in men and women living in the community: randomised double blind controlled trial. Br Med J 326:469–474
Bischoff-Ferrari HA, Willett WC, Wong JB, Giovannucci E, Dietrich T, Dawson-Hughes B (2005) Fracture prevention with vitamin D supplementation. J Am Med Assoc 293:2257–2264
Bischoff-Ferrari HA, Dietrich T, Orav EJ, Dawson-Hughes B (2004) Positive association between 25-hydroxy vitamin D levels and bone mineral density: a population-based study of younger and older adults. Am J Med 116:634–639
Bischoff-Ferrari HA, Dietrich T, Orav EJ, Hu FB, Zhang Y, Karlson EW, Dawson-Hughes B (2004) Higher 25-hydroxyvitamin D concentrations are associated with better lower-extremity function in both active and inactive persons aged ≥60 y. Am J Clin Nutr 80:752–758
Visser M, Deeg DJH, Puts MTE, Seidell JC, Lips P (2006) Low serum concentrations of 25-hydroxyvitamin D in older persons and the risk of nursing home admission. Am J Clin Nutr 84:616–622
Dawson-Hughes B, Heaney RP, Holick MF, Lips P, Meunier PJ, Vieth R (2005) Estimates of optimal vitamin D status. Osteoporos Int 16:713–716
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The online version of the original article can be found at http://dx.doi.org/10.1007/s00198-007-0344-x.
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Heaney, R.P. Letter to editor, Osteoporosis International. Osteoporos Int 18, 833–834 (2007). https://doi.org/10.1007/s00198-007-0342-z
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DOI: https://doi.org/10.1007/s00198-007-0342-z