The amount of a succinate dehydrogenase assembly factor 4, mitochondrial (human) when measured in cerebrospinal fluid. The trait is level of succinate dehydrogenase assembly factor 4, mitochondrial (human) in cerebrospinal fluid (OBA_2059226, an Ontology of Biological Attributes id). Also known as: cerebrospinal fluid succinate dehydrogenase assembly factor 4, mitochondrial (human) amount.