Brain-derived cells can be infected with HIV isolates derived from both blood and brain.

MLA

Keys, B., et al. “Brain-Derived Cells Can Be Infected with HIV Isolates Derived from Both Blood and Brain.” Virology, vol. 183, no. 2, Aug. 1991, pp. 834–39. EBSCOhost, https://doi.org/10.1016/0042-6822(91)91021-8.

APA

Keys, B., Albert, J., Kövamees, J., & Chiodi, F. (1991). Brain-derived cells can be infected with HIV isolates derived from both blood and brain. Virology, 183(2), 834–839. https://doi.org/10.1016/0042-6822(91)91021-8

Chicago

Keys, B, J Albert, J Kövamees, and F Chiodi. 1991. “Brain-Derived Cells Can Be Infected with HIV Isolates Derived from Both Blood and Brain.” Virology 183 (2): 834–39. doi:10.1016/0042-6822(91)91021-8.