title: Biologic and molecular variations in AIDS retrovirus isolates.
authors.forename: T M
authors.initials: TM
authors.lastname: Folks
authors.forename: S
authors.initials: S
authors.lastname: Benn
authors.forename: A B
authors.initials: AB
authors.lastname: Rabson
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000382:microbiology; D000956:Antigens, Viral / Q000235:genetics*; D005814:Genes, Viral; D014644:Genetic Variation; D006678:HIV / Q000235:genetics / Q000276:immunology* / Q000302:isolation & purification; D006801:Humans
chemical_list: D000956:Antigens, Viral