title: Problems in new-drug development: therapeutic agents for ventricular arrhythmias.
mesh_terms: D000889:Anti-Arrhythmia Agents / Q000627:therapeutic use*; D004345:Drug Industry; D006801:Humans; D007880:Legislation, Drug / Q000639:trends*; D012306:Risk; D014481:United States
chemical_list: D000889:Anti-Arrhythmia Agents