15
Participants
Start Date
November 30, 2013
Primary Completion Date
March 31, 2014
Study Completion Date
March 31, 2014
Vitamin D versus placebo
Cross-over design
Rohr and Columbo Asthma, Allergy and Immunology Specialists, P.C., Bryn Mawr
Rohr and Columbo Asthma, Allergy and Immunology Specialists, Bryn Mawr
Rohr and Columbo Asthma, Allergy and Immunology Specialists, P.C.
OTHER