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. 2004 Apr;78(7):3777–3791. doi: 10.1128/JVI.78.7.3777-3791.2004

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Copyright © 2004, American Society for Microbiology

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FIG. 4. — Synonymous and nonsynonymous distances between pairs of FIV sequences. Each point represents one pairwise comparison. Synonymous and nonsynonymous distances were calculated by the algorithm of Li (26) and Pamilo and Bianchi (37). (A) pol-RT. (B) pol-RNase. (C) gag.