Periaqueductal gray matter echogenicity: An irreversible marker of chronic migraine? Flores-Pina B, Vilas Rolan D, Rios Guillermo J, Gea Rispal M, et al. Cephalalgia 2026;46:3331024261467732.

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Flores-Pina B, Vilas Rolan D, Rios Guillermo J, Gea Rispal M, et al. Periaqueductal gray matter echogenicity: An irreversible marker of chronic migraine? Cephalalgia 2026;46:3331024261467732.
PMID: 42461110