title: Companies vie over new heart drug.
mesh_terms: D004341:Drug Evaluation; D004345:Drug Industry; D007564:Japan; D010330:Patents as Topic; D011994:Recombinant Proteins / Q000627:therapeutic use; D010959:Tissue Plasminogen Activator / Q000627:therapeutic use; D006113:United Kingdom; D014481:United States
chemical_list: D011994:Recombinant Proteins; D010959:Tissue Plasminogen Activator