title: Negative inotropic effect of cyclic AMP on the isolated canine heart muscle.
mesh_terms: D000818:Animals; D000242:Cyclic AMP / Q000494:pharmacology*; D003864:Depression, Chemical; D004285:Dogs; D006321:Heart / Q000187:drug effects*; D066298:In Vitro Techniques
chemical_list: D000242:Cyclic AMP