level of BTB/POZ domain-containing protein KCTD3 (human) in cerebrospinal fluid (Ontology of Biological Attributes identifier OBA_2081826) is the amount of a BTB/POZ domain-containing protein KCTD3 (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid BTB/POZ domain-containing protein KCTD3 (human) amount.