title: Assay of cyclic nucleotide phosphodiesterase by a continuous titrimetric technique.
mesh_terms: D000242:Cyclic AMP; D004789:Enzyme Activation / Q000187:drug effects; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008345:Manganese / Q000494:pharmacology; D008722:Methods; D008832:Microchemistry; D010727:Phosphoric Diester Hydrolases / Q000032:analysis* / Q000378:metabolism; D013997:Time Factors
chemical_list: D008345:Manganese; D000242:Cyclic AMP; D010727:Phosphoric Diester Hydrolases