level of Rho guanine nucleotide exchange factor 1 (human) in cerebrospinal fluid (Ontology of Biological Attributes id OBA_2080209) is the amount of a Rho guanine nucleotide exchange factor 1 (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid Rho guanine nucleotide exchange factor 1 (human) amount.