The amount of a NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 6 (human) when measured in cerebrospinal fluid. The trait is level of NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 6 (human) in cerebrospinal fluid (OBA_2056466). Also known as: cerebrospinal fluid NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 6 (human) amount.