Comment on

• Evidence for a newly discovered cellular anti-HIV-1 phenotype.

  Simon JH, Gaddis NC, Fouchier RA, Malim MH. Simon JH, et al. Nat Med. 1998 Dec;4(12):1397-400. doi: 10.1038/3987. Nat Med. 1998. PMID: 9846577
• Vpx is required for dissemination and pathogenesis of SIV(SM) PBj: evidence of macrophage-dependent viral amplification.

  Hirsch VM, Sharkey ME, Brown CR, Brichacek B, Goldstein S, Wakefield J, Byrum R, Elkins WR, Hahn BH, Lifson JD, Stevenson M. Hirsch VM, et al. Nat Med. 1998 Dec;4(12):1401-8. doi: 10.1038/3992. Nat Med. 1998. PMID: 9846578 Free PMC article.