FIGURE 1

![FIGURE 1: PRISMA flow diagram showing the study selection process for the systematic review and meta-analysis of serum trace element levels in patients with alopecia areata.](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11683520/bin/JOCD-24-e16740-g005.jpg)

> Source: Ruiying Wu et al. "Association Between Serum Trace Elements Level and Alopecia Areata: A Systematic." *Journal of cosmetic dermatology*, 2025. PMID: [39739356](https://pubmed.ncbi.nlm.nih.gov/39739356/)

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  <img src="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11683520/bin/JOCD-24-e16740-g005.jpg" alt="PRISMA flow diagram showing the study selection process for the systematic review and meta-analysis of serum trace element levels in patients with alopecia areata." />
  <figcaption>FIGURE 1. PRISMA flow diagram showing the study selection process for the systematic review and meta-analysis of serum trace element levels in patients with alopecia areata.<br>  Source: Ruiying Wu et al. "Association Between Serum Trace Elements Level and Alopecia Areata: A Systematic." <em>Journal of cosmetic dermatology</em>, 2025. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/39739356/">39739356</a></figcaption>
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