The amount of a heterogeneous nuclear ribonucleoproteins C1/C2 (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes term OBA_2056861 (level of heterogeneous nuclear ribonucleoproteins C1/C2 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid heterogeneous nuclear ribonucleoproteins C1/C2 (human) amount.