• Article  

      Evidence of two distinct subsubtypes within the HIV-1 subtype A radiation 

      Gao, F.; Vidal, N.; Li, Y.; Trask, S. A.; Chen, Y.; Kostrikis, Leontios G.; Ho, David D.; Kim, J.; Oh, M. -D; Choe, K.; Salminen, M.; Robertson, D. L.; Shaw, G. M.; Hahn, B. H.; Peeters, M. (2001)
      Members of HIV-1 group M are responsible for the vast majority of AIDS cases worldwide and have been classified on the basis of their phylogenetic relationships into nine roughly equidistant clades, termed subtypes. Although ...