title: Effects of various drugs on myocardial cyclic AMP.
mesh_terms: D000818:Animals; D000242:Cyclic AMP / Q000378:metabolism*; D004285:Dogs; D009200:Myocardial Contraction / Q000187:drug effects; D009206:Myocardium / Q000378:metabolism*; D011863:Radioimmunoassay; D014665:Vasodilator Agents / Q000494:pharmacology*
chemical_list: D014665:Vasodilator Agents; D000242:Cyclic AMP