title: Topiary pruning of the HIV and SIV phylogenetic tree.
authors.affiliation: Department of Biology, University of California, San Diego, La Jolla 92093, USA.
authors.forename: C
authors.initials: C
authors.lastname: Wills
mesh_terms: D000818:Animals; D015752:Genes, env; D015750:Genes, gag; D015754:Genes, nef; D015751:Genes, pol; D015497:HIV-1 / Q000145:classification* / Q000235:genetics; D015498:HIV-2 / Q000145:classification* / Q000235:genetics; D000882:Haplorhini; D006801:Humans; D010802:Phylogeny; D015302:Simian Immunodeficiency Virus / Q000145:classification* / Q000235:genetics