Ontology of Biological Attributes id OBA_2059738 (level of CKLF-like MARVEL transmembrane domain-containing protein 4 (human) in cerebrospinal fluid) is the amount of a CKLF-like MARVEL transmembrane domain-containing protein 4 (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid CKLF-like MARVEL transmembrane domain-containing protein 4 (human) amount.