title: Study looks at how HIV may spread through oral sex.
mesh_terms: D016915:AIDS Vaccines; D015704:CD4 Antigens; D015658:HIV Infections / Q000517:prevention & control / Q000635:transmission*; D006801:Humans; D015603:Keratinocytes / Q000821:virology; D009061:Mouth Mucosa / Q000166:cytology / Q000821:virology*; D019713:Receptors, CCR5; D021841:Safe Sex; D012725:Sexual Behavior; D014779:Virus Replication
chemical_list: D016915:AIDS Vaccines; D015704:CD4 Antigens; D019713:Receptors, CCR5