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Overall tree classification of HIV-1 near full-length genomes of isolates 93AOHDC250, 93AOHDC251, and 93AOHDC253. ML trees were constructed with our sequences (highlighted by dots) and 136 reference sequences representative of all HIV-1 group M subtypes. Cladistics support is indicated by aLRT values. The scale is in units of substitutions per site. aLRT, approximate likelihood-ratio test; ML, maximum likelihood.
