1. Papaverine-induced changes on cardiac inotropism with special reference to a D-propranolol antagonism;Aramendía;Meth. Find. Exp. Clin. Pharmacol.,1982
2. Effect of papaverine on cyclic AMP, calcium uptake and force of contraction in isolated guinea-pig auricles;Holzmann;Res. Commun. Pathol. Pharmacol.,1977
3. Effects of several phosphodiesterase inhibitors on guinea-pig myocardium;Korth;Naunyn-Schmiedeb. Arch. Pharmacol.,1978
4. Protein measurement with Folin phenol reagent;Lowry;J. Biol. Chem.,1951
5. Papaverine effects ob calcium exchange and contractility in superfused atria;Márquez;Naunyn-Schmiedeb. Arch. Pharmacol.,1986