title: Transmission of the X4 phenotype of HIV-1: is there evidence against the "random transmission" hypothesis?
authors.forename: Charlotte
authors.initials: C
authors.lastname: Hedskog
authors.forename: Mattias
authors.initials: M
authors.lastname: Mild
authors.forename: Jan
authors.initials: J
authors.lastname: Albert
mesh_terms: D005260:Female; D015658:HIV Infections / Q000635:transmission*; D015497:HIV-1 / Q000235:genetics* / Q000502:physiology*; D006801:Humans; D008297:Male; D012367:RNA, Viral / Q000032:analysis*; D019713:Receptors, CCR5 / Q000502:physiology*; D019718:Receptors, CXCR4 / Q000502:physiology*; D056189:Viral Tropism / Q000235:genetics*
chemical_list: D012367:RNA, Viral; D019713:Receptors, CCR5; D019718:Receptors, CXCR4