The amount of a short-chain dehydrogenase/reductase 3 (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes id OBA_2056410 (level of short-chain dehydrogenase/reductase 3 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid short-chain dehydrogenase/reductase 3 (human) amount.