Es into brain and lymph nodes. Proc Natl Acad Sci USA 1996, 93(2):700-4. Kure K, Weidenheim KM, Lyman WD, Dickson DW: Morphology and distribution of HIV-1 gp41-positive microglia in subacute AIDS encephalitis. Pattern of involvement resembling a multisystem degeneration. Acta Neuropathol 1990, 80(4):393-400. Gullotta F, Kuchelmeister K, Masini T, Ghidoni P, Cappricci E: [The morphology of HIV ence