Ontology of Biological Attributes identifier OBA_2056567 (level of T-cell leukemia/lymphoma protein 1B (human) in cerebrospinal fluid) is the amount of a T-cell leukemia/lymphoma protein 1B (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid T-cell leukemia/lymphoma protein 1B (human) amount.