The amount of a U6 snRNA-associated Sm-like protein LSm3 (human) when measured in cerebrospinal fluid. The trait is level of U6 snRNA-associated Sm-like protein LSm3 (human) in cerebrospinal fluid (OBA_2058309). Also known as: cerebrospinal fluid U6 snRNA-associated Sm-like protein LSm3 (human) amount.