title: Are there unnecessary delays in the development of new cardiac drugs in the United States?
mesh_terms: D000638:Amiodarone / Q000627:therapeutic use*; D015764:Bepridil; D005424:Flecainide / Q000627:therapeutic use*; D006801:Humans; D011759:Pyrrolidines / Q000627:therapeutic use*; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D011759:Pyrrolidines; D015764:Bepridil; D005424:Flecainide; D000638:Amiodarone