Vitamin D Supplementation and Allergic Rhinitis: A Systematic Review and Meta-Analysis.

Medicina (Kaunas) · 2025 · PMC11857834 · PMID 40005471

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an increasing trendno p-value reported

The prevalence of AR has increased worldwide over the past few decades, affecting up to 40% of the population in developed countries and showing an increasing trend in developing countries [ 1 , 2 ].

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