title: [Antiphosphodiesterase activity of papaveroline/sulfonic acid. In vitro spectrophotometric determination].
mesh_terms: D015105:3',5'-Cyclic-AMP Phosphodiesterases / Q000037:antagonists & inhibitors; D010208:Papaverine / Q000031:analogs & derivatives*; D010726:Phosphodiesterase Inhibitors; D013765:Tetrahydropapaveroline / Q000031:analogs & derivatives*
chemical_list: D010726:Phosphodiesterase Inhibitors; D013765:Tetrahydropapaveroline; D010208:Papaverine; D015105:3',5'-Cyclic-AMP Phosphodiesterases
vernacular_title: Attività antifosfodiesterasica dell'acido papaverolinsolfonico. Determinazione in vitro per via spettrofotometrica.