Vitamin D in the prevention of exacerbations of asthma in preschoolers (DIVA): protocol for a multicentre randomised placebo-controlled triple-blind trial

Introduction Preschoolers have the highest rate of emergency visits and hospitalisations for asthma exacerbations of all age groups, with most triggered by upper respiratory tract infections (URTIs) and occurring in the fall or winter. Vitamin D insufficiency is highly prevalent in Canadian preschoo...

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Main Authors: Mohsen Sadatsafavi, Megan E Jensen, Francine M Ducharme, Nathalie Alos, Geneviève Mailhot, Benoît Mâsse, John H White, Ali Khamessan, Sze Man Tse, Reza Alizadehfar, Dirk E Bock, Patrick Daigneault, Chantal Lemire, Connie Yang, Dhenuka Radhakrishnan
Format: Article
Language:English
Published: BMJ Publishing Group 2019-12-01
Series:BMJ Open
Online Access:https://bmjopen.bmj.com/content/9/12/e033075.full
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