level of ribonucleoside-diphosphate reductase large subunit (human) in cerebrospinal fluid (Ontology of Biological Attributes term OBA_2057463) is the amount of a ribonucleoside-diphosphate reductase large subunit (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid ribonucleoside-diphosphate reductase large subunit (human) amount.