title: FDA puts new heart drug on hold.
mesh_terms: D004345:Drug Industry; D006801:Humans; D011994:Recombinant Proteins / Q000627:therapeutic use; D010959:Tissue Plasminogen Activator / Q000627:therapeutic use*; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D011994:Recombinant Proteins; D010959:Tissue Plasminogen Activator