Kepplinger, B; Baran, H; Kainz, A; Ferraz-Leite, H; Newcombe, J; Kalina, P; (2005) Age-related increase of kynurenic acid in human cerebrospinal fluid-IgG and beta(2)-microglobulin changes. Neurosignals , 14 (3) 126 - 135. 10.1159/000086295. Green open access