env gene sequences of primary HIV type 1 isolates of subtypes B, C, D, E, and F obtained from the World Health Organization Network for HIV Isolation and Characterization.
Penny MA, Thomas SJ, Douglas NW, Ranjbar S, Holmes H, Daniels RS. env gene sequences of primary HIV type 1 isolates of subtypes B, C, D, E, and F obtained from the World Health Organization Network for HIV Isolation and Characterization. AIDS Res Hum Retroviruses. 1996 May 20; 12(8):741-7.