level of ubiquitin-associated and SH3 domain-containing protein B (human) in cerebrospinal fluid (Ontology of Biological Attributes entry OBA_2080039) is the amount of a ubiquitin-associated and SH3 domain-containing protein B (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid ubiquitin-associated and SH3 domain-containing protein B (human) amount.