Heaslip, R J Phosphodiesterase-IV inhibition, respiratory muscle relaxation and bronchodilation by WAY-PDA-641. [electronic resource] - The Journal of pharmacology and experimental therapeutics Feb 1994 - 888-96 p. digital Publication Type: Journal Article ISSN: 0022-3565 Subjects--Topical Terms: 3',5'-Cyclic-AMP Phosphodiesterases--antagonists & inhibitorsAlbuterol--pharmacologyAnimalsBronchodilator Agents--pharmacologyDogsGuinea PigsIn Vitro TechniquesIsoenzymes--antagonists & inhibitorsMaleOximes--pharmacologyPhosphodiesterase Inhibitors--pharmacologyRespiratory Muscles--drug effectsSerotonin--pharmacologyTrachea--drug effects