Meta-analysis: Vitamin D to prevent exacerbations of COPD

Vitamin D to prevent exacerbations of COPD: systematic review and meta-analysis of individual participant data from randomised controlled trials – Thorax (link to abstract – $ for full-text)

Commentaries: Vitamin D supplementation reduced COPD exacerbations in deficient patients: meta-analysis – PulmCCM (free) AND Treat vitamin D deficiency to prevent attacks of chronic obstructive pulmonary disease – The Conversation (free)