Increases of Plasma Levels of Glial Fibrillary Acidic Protein, Tau, and Amyloid β up to 90 Days after Traumatic Brain Injury. Categories: Biomarkers in Acute Brain Injury Author: Bogoslovsky T, Chen Y, Diaz-Arrastia R, Gill J, Gong Y, Hanlon D, Jeromin A, Kenney K, Moore C, Song L, Wilson D