level of methionine-R-sulfoxide reductase B3 (human) in cerebrospinal fluid (Ontology of Biological Attributes term OBA_2059698) is the amount of a methionine-R-sulfoxide reductase B3 (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid methionine-R-sulfoxide reductase B3 (human) amount.