title: PCR enzyme patent challenged.
authors: P
authors: P
authors: Aldhous
mesh_terms: D004259:DNA-Directed DNA Polymerase; D005784:Gene Amplification; D010330:Patents as Topic; D016133:Polymerase Chain Reaction; D019914:Taq Polymerase; D014481:United States
chemical_list: D019914:Taq Polymerase; D004259:DNA-Directed DNA Polymerase