O4‐09‐06: CLONALLY EXPANDED CD8 T CELLS PATROL ALZHEIMER'S CEREBROSPINAL FLUID. (1st July 2019) - Gate, David; Saligrama, Naresha; Yang, Andrew; Middeldorp, Jinte; Levanthal, Olivia; Chen, Kelly; Lehallier, Benoit; McBride, Alisha; Channappa, Divya; Tam, Grace; Kim, Yongha; Greicius, Michael D.; et al.