Ontology of Biological Attributes entry OBA_2057159 (level of G2/mitotic-specific cyclin-B1 (human) in cerebrospinal fluid) is the amount of a G2/mitotic-specific cyclin-B1 (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid G2/mitotic-specific cyclin-B1 (human) amount.