title: AIDS virus and HTLV-I differ in codon choices.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000382:microbiology*; D000818:Animals; D001483:Base Sequence; D002645:Chickens; D017977:Deltaretrovirus / Q000235:genetics*; D006801:Humans; D051379:Mice; D051381:Rats