Serum vitamin D levels and severe asthma exacerbations in the Childhood Asthma Management Program study.
Brehm JM, Schuemann B, Fuhlbrigge AL, Hollis BW, Strunk RC, Zeiger RS, Weiss ST, Litonjua AA; Childhood Asthma Management Program Research Group.
Brehm JM, et al.
J Allergy Clin Immunol. 2010 Jul;126(1):52-8.e5. doi: 10.1016/j.jaci.2010.03.043. Epub 2010 Jun 9.
J Allergy Clin Immunol. 2010.
PMID: 20538327
Free PMC article.
Clinical Trial.
RESULTS: Thirty-five percent of all subjects were vitamin D insufficient, as defined by a level of 30 ng/mL or less 25-hydroxyvitamin D. Mean vitamin D levels were lowest in African American subjects and highest in white subjects. ...
RESULTS: Thirty-five percent of all subjects were vitamin D insufficient, as defined by a level of 30 ng/mL or less 25-hydroxyvitamin …