Headache and immunological/autoimmune disorders: a comprehensive review of available epidemiological evidence with insights on potential underlying mechanisms.

J Neuroinflammation · 2021 · PMC8573865 · PMID 34749743

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did not reach statistical significanceno p-value reported

Celikbilek and Adam revealed that the presence of dry eye was higher in migraine patients compared to normal controls, but the difference did not reach statistical significance.

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