Diagnostic performance of plasma pTau217/Aβ42 ratio and a three-zone threshold model for Alzheimer's disease
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Early and accurate diagnosis of Alzheimer's disease (AD) typically relies on invasive or expensive methods like cerebrospinal fluid (CSF) biomarkers and amyloid PET imaging. Blood-based biomarkers, particularly plasma phosphorylated tau (pTau181, pTau217) and... ...
