level of heterogeneous nuclear ribonucleoprotein A/B (human) in cerebrospinal fluid (Ontology of Biological Attributes identifier OBA_2080615) is the amount of a heterogeneous nuclear ribonucleoprotein A/B (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid heterogeneous nuclear ribonucleoprotein A/B (human) amount.