title: PCR, direct sequencing, and the comparative approach.
authors: Department of Zoology, University of New Hampshire, Durham 03824.
authors: T D
authors: TD
authors: Kocher
mesh_terms: D000818:Animals; D002965:Classification / Q000379:methods*; D016208:Databases, Factual; D005580:Fossils; D006801:Humans; D008967:Molecular Biology / Q000379:methods*; D005810:Multigene Family; D010163:Paleontology / Q000379:methods*; D010802:Phylogeny; D016133:Polymerase Chain Reaction / Q000379:methods*; D017422:Sequence Analysis, DNA / Q000379:methods*; D013045:Species Specificity