title: [Effect of aging on cerebrospinal fluid GABA level].
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D000818:Animals; D001921:Brain / Q000378:metabolism; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011869:Radioligand Assay; D051381:Rats; D012737:Sex Factors; D005680:gamma-Aminobutyric Acid / Q000134:cerebrospinal fluid*
chemical_list: D005680:gamma-Aminobutyric Acid