level of dual specificity calcium/calmodulin-dependent 3',5'-cyclic nucleotide phosphodiesterase 1A (human) in cerebrospinal fluid (Ontology of Biological Attributes entry OBA_2058136) is the amount of a dual specificity calcium/calmodulin-dependent 3',5'-cyclic nucleotide phosphodiesterase 1A (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid dual specificity calcium/calmodulin-dependent 3',5'-cyclic nucleotide phosphodiesterase 1A (human) amount.