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Funnel plot evaluating potential publication bias in the vitamin D-IBS meta-analysis. The symmetry of study distribution around the pooled effect aids in detecting reporting bias.

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![Figure 12: Funnel plot evaluating potential publication bias in the vitamin D-IBS meta-analysis. The symmetry of study distribution around the pooled effect aids in detecting reporting bias.]()

> Source: Mohamed Abuelazm et al. "The Effect of Vitamin D Supplementation on the Severity of Symptoms and the Qual." *Nutrients*, 2022. PMID: [35807798](https://pubmed.ncbi.nlm.nih.gov/35807798/)
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  <img src="" alt="Funnel plot evaluating potential publication bias in the vitamin D-IBS meta-analysis. The symmetry of study distribution around the pooled effect aids in detecting reporting bias." />
  <figcaption>Figure 12. Funnel plot evaluating potential publication bias in the vitamin D-IBS meta-analysis. The symmetry of study distribution around the pooled effect aids in detecting reporting bias.<br>  Source: Mohamed Abuelazm et al. "The Effect of Vitamin D Supplementation on the Severity of Symptoms and the Qual." <em>Nutrients</em>, 2022. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/35807798/">35807798</a></figcaption>
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