title: Genetic variation in AIDS viruses.
mesh_terms: D000956:Antigens, Viral / Q000235:genetics; D001483:Base Sequence; D017977:Deltaretrovirus / Q000235:genetics* / Q000276:immunology; D005814:Genes, Viral; D014644:Genetic Variation; D006023:Glycoproteins / Q000235:genetics / Q000378:metabolism; D011991:Receptors, Virus / Q000378:metabolism; D012091:Repetitive Sequences, Nucleic Acid; D014759:Viral Envelope Proteins / Q000235:genetics* / Q000276:immunology / Q000378:metabolism; D014779:Virus Replication
chemical_list: D000956:Antigens, Viral; D006023:Glycoproteins; D011991:Receptors, Virus; D014759:Viral Envelope Proteins