title: Letter: Cyclic A.M.P. and arrhythmias.
mesh_terms: D000818:Animals; D003327:Coronary Disease / Q000097:blood; D000242:Cyclic AMP / Q000097:blood* / Q000378:metabolism*; D006801:Humans; D009206:Myocardium / Q000378:metabolism; D010974:Platelet Aggregation; D051381:Rats; D013300:Streptokinase / Q000627:therapeutic use; D014693:Ventricular Fibrillation / Q000209:etiology* / Q000517:prevention & control
chemical_list: D000242:Cyclic AMP; D013300:Streptokinase