title: DNA technology continues to improve.
authors.affiliation: National Heart, Lung, and Blood Institute, Bethesda, MD.
authors.forename: R A
authors.initials: RA
authors.lastname: Morgan
authors.forename: W F
authors.initials: WF
authors.lastname: Anderson
mesh_terms: D004274:DNA, Recombinant; D004259:DNA-Directed DNA Polymerase; D005784:Gene Amplification; D006801:Humans
chemical_list: D004274:DNA, Recombinant; D004259:DNA-Directed DNA Polymerase