Ontology of Biological Attributes id OBA_2057152 (level of aldo-keto reductase family 1 member A1 (human) in cerebrospinal fluid) is the amount of a aldo-keto reductase family 1 member A1 (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid aldo-keto reductase family 1 member A1 (human) amount.