The amount of a large ribosomal subunit protein eL30 (human) when measured in cerebrospinal fluid. The trait is level of large ribosomal subunit protein eL30 (human) in cerebrospinal fluid (OBA_2058323, an Ontology of Biological Attributes id). Also known as: cerebrospinal fluid large ribosomal subunit protein eL30 (human) amount.