Synaptic protein CSF levels relate to memory scores in individuals without dementia by Wesenhagen, KEJ, de Leeuw, DM, Tomassen, J, Gobom, J, Bos, I, Vos, SJB, Martinez-Lage, P, Tainta, M, Popp, J, Peyratout, G, Tsolaki, M, Vandenberghe, R, Freund-Levi, Y, Verhey, F, Lovestone, S, Streffer, J, Dobricic, V, Blennow, K, Scheltens, P, Smit, AB, Bertram, L, Teunissen, CE, Zetterberg, H, Tijms, BM