Lee P., Eisman J.A., Center J.R. Vitamin D deficiency in critically ill patients. N Engl J Med 2009, 360:1912-1914.
Lee P. Vitamin D, metabolism and deficiency in critical illness. Best Pract Res Clin Endocrinol Metab 2011, 25:769-781.
Braun A., Chang D., Mahadevappa K., et al. Association of low serum 25-hydroxyvitamin D levels and mortality in the critically ill. Crit Care Med 2011, 39:671-677.
Matthews L.R., Ahmed Y., Wilson K.L., Griggs D.D., Danner O.K. Worsening severity of vitamin D deficiency is associated with increased length of stay, surgical intensive care unit cost, and mortality rate in surgical intensive care unit patients. Am J Surg 2012, 204:37-43.
Moromizato T., Litonjua A.A., Braun A.B., Gibbons F.K., Giovannucci E., Christopher K.B. Association of low serum 25-hydroxyvitamin D levels and sepsis in the critically ill. Crit Care Med 2014, 42:97-107.
Chun R.F., Peercy B.E., Orwoll E.S., Nielson C.M., Adams J.S., Hewison M. Vitamin D and DBP: the free hormone hypothesis revisited. J Steroid Biochem Mol Biol 2013, [Epub ahead of print]. 10.1016/j.jsbmb.2013.09.012.
Brannon P.M. Key questions in vitamin D research. Scand J Clin Lab Invest Suppl 2012, 243:154-162.
Rousseau A.F., Damas P., Ledoux D., Cavalier E. Effect of cholecalciferol recommended daily allowances on vitamin D status and fibroblast growth factor-23: an observational study in acute burn patients. Burns 2014, 40:865-870.
Krishnan A., Ochola J., Mundy J., et al. Acute fluid shifts influence the assessment of serum vitamin D status in critically ill patients. Crit Care 2010, 14:R216.
Apfel C.C., Meyer A., Orhan-Sungur M., Jalota L., Whelan R.P., Jukar-Rao S. Supplemental intravenous crystalloids for the prevention of postoperative nausea and vomiting: quantitative review. Br J Anaesth 2012, 108:893-902.
Cavalier E., Lukas P., Crine Y., et al. Evaluation of automated immunoassays for 25(OH)-vitamin D determination in different critical populations before and after standardization of the assays. Clin Chim Acta 2014, 431C:60-65.
Powe C.E., Ricciardi C., Berg A.H., et al. Vitamin D-binding protein modifies the vitamin D-bone mineral density relationship. J Bone Miner Res 2011, 26:1609-1616.
Wallace A.M., Gibson S., de la Hunty A., Lamberg-Allardt C., Ashwell M. Measurement of 25-hydroxyvitamin D in the clinical laboratory: current procedures, performance characteristics and limitations. Steroids 2010, 75:477-488.
Powe C.E., Evans M.K., Wenger J., et al. Vitamin D-binding protein and vitamin D status of black Americans and white Americans. N Engl J Med 2013, 369:1991-2000.
Schwartz J.B., Lai J., Lizaola B., et al. Variability in free 25(OH) vitamin D levels in clinical populations. J Steroid Biochem Mol Biol 2013, [Epub ahead of print]. 10.1016/j.jsbmb.2013.11.006.
Bikle D.D., Gee E., Halloran B., Kowalski M.A., Ryzen E., Haddad J.G. Assessment of the free fraction of 25-hydroxyvitamin D in serum and its regulation by albumin and the vitamin D-binding protein. J Clin Endocrinol Metab 1986, 63:954-959.
Vermeulen A., Verdonck L., Kaufman J.M. A critical evaluation of simple methods for the estimation of free testosterone in serum. J Clin Endocrinol Metab 1999, 84:3666-3672.
Holick M.F., Binkley N.C., Bischoff-Ferrari H.A., et al. Evaluation, treatment, and prevention of vitamin D deficiency: an Endocrine Society clinical practice guideline. J Clin Endocrinol Metab 2011, 96:1911-1930.