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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Aβ42/40 ratio before and after BCG vaccination stratified by ApoE genotype. An Aβ42/40 ratio below 0.089 is associated with higher risk of positive amyloid PET scan.