title: Study Pushes Back the Origin of HIV-Related Retroviruses to 60 Ma.
authors.affiliation: MBE Press Office MBEpress@gmail.com.
authors.forename: Joseph
authors.initials: J
authors.lastname: Caspermeyer
mesh_terms: D015658:HIV Infections; D015497:HIV-1 / Q000235:genetics*; D006801:Humans; D012367:RNA, Viral; D012190:Retroviridae
chemical_list: D012367:RNA, Viral