The amount of a peptidyl-prolyl cis-trans isomerase F, mitochondrial (human) when measured in cerebrospinal fluid. The trait is level of peptidyl-prolyl cis-trans isomerase F, mitochondrial (human) in cerebrospinal fluid (OBA_2057614). Also known as: cerebrospinal fluid peptidyl-prolyl cis-trans isomerase F, mitochondrial (human) amount.