1. Vitamin D Insufficiency and Asthma in a US Nationwide Study
Yueh-Ying Han, PhD, Erick Forno, MD, MPH, Juan C. Celedón, MD, DrPH 
The Journal of Allergy and Clinical Immunology: In Practice 
Volume 5, Issue 3, Pages e1 (May 2017)
DOI: /j.jaip
Copyright © 2016 American Academy of Allergy, Asthma & Immunology Terms and Conditions

2. Figure 1
Vitamin D level (25[OH]D [ng/mL]) by race/ethnicity and NHANES study waves ( to ).
The Journal of Allergy and Clinical Immunology: In Practice 2017 5, e1DOI: ( /j.jaip )
Copyright © 2016 American Academy of Allergy, Asthma & Immunology Terms and Conditions

3. Figure 2
Prevalence of current asthma and vitamin D insufficiency (25[OH]D <30 ng/mL) by NHANES study waves ( to ), in all participants.
The Journal of Allergy and Clinical Immunology: In Practice 2017 5, e1DOI: ( /j.jaip )
Copyright © 2016 American Academy of Allergy, Asthma & Immunology Terms and Conditions