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. 2022 Mar 11;14:683689. doi: 10.3389/fnagi.2022.683689

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Copyright © 2022 Hardy-Sosa, León-Arcia, Llibre-Guerra, Berlanga-Acosta, Baez, Guillen-Nieto and Valdes-Sosa.

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Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) flow diagram for identification of blood-based biomarkers for diagnosis of Alzheimer’s disease detailing the number of abstracts screened and full texts retrieved.