The amount of a aflatoxin B1 aldehyde reductase member 2 (human) when measured in cerebrospinal fluid. The trait is level of aflatoxin B1 aldehyde reductase member 2 (human) in cerebrospinal fluid (OBA_2056157). Also known as: cerebrospinal fluid aflatoxin B1 aldehyde reductase member 2 (human) amount.