title: New battle over TPA.
authors.forename: C
authors.initials: C
authors.lastname: Ezzell
mesh_terms: D005818:Genetic Engineering; D010330:Patents as Topic / Q000331:legislation & jurisprudence*; D011994:Recombinant Proteins; D010959:Tissue Plasminogen Activator; D014481:United States
chemical_list: D011994:Recombinant Proteins; D010959:Tissue Plasminogen Activator