Vitamin D, 25-hydroxy measurement

US Department of Health and Human Services: Bone Health and Osteoporosis: A Report of the Surgeon General. US Department of Health and Human Services, Office of the Surgeon General. Rockville, Maryland, USA. 2004. Available from URL: http://www.surgeongeneral.gov/library/bonehealth/. As accessed 08/27/2005.

Wharton B & Bishop N: Rickets. Lancet 2003; 362(9393):1389-1400.

Singh J, Moghal N, Pearce SH, et al: The investigation of hypocalcaemia and rickets. Arch Dis Child 2003; 88(5):403-407.

Gartner LM & Greer FR: Prevention of rickets and vitamin D deficiency: new guidelines for vitamin D intake. Pediatrics 2003; 111(4 Pt 1):908-910.

Basha B, Rao DS, Han ZH, et al: Osteomalacia due to vitamin D depletion: a neglected consequence of intestinal malabsorption. Am J Med 2000; 108(4):296-300.

Lawson M & Thomas M: Vitamin D concentrations in Asian children aged 2 years living in England: population survey. BMJ 1999; 318(7175):28.

Thomas MK, Lloyd-Jones DM, Thadhani RI, et al: Hypovitaminosis D in medical inpatients. N Engl J Med 1998; 338(12):777-783.

Chapuy MC, Preziosi P, Maamer M, et al: Prevalence of vitamin D insufficiency in an adult normal population. Osteoporos Int 1997; 7(5):439-443.

Lowenthal MN & Shany S: Osteomalacia in Bedouin women of the Negev. Isr J Med Sci 1994; 30(7):520-523.

Mankin HJ: Rickets, osteomalacia, and renal osteodystrophy. An update. Orthop Clin North Am 1990; 21(1):81-96.

Tietz NW (Ed): Clinical Guide to Laboratory Tests, 3rd ed. W. B. Saunders, Philadelphia, PA, 1995.