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. 1999 Sep 14;96(19):10752–10757. doi: 10.1073/pnas.96.19.10752

Table 2.

Substitution rate in relation to number of transmissions

Number of transmissions Number of observations Substitution rate, (×10−3 substitutions/site per year)
env V3 p17 gag
1 9 6.64  ±  3.80 3.41  ±  3.44
2 13 6.98  ±  3.03 3.41  ±  2.54
3 11 7.43  ±  2.92 2.82  ±  0.92
4 4 7.73  ±  1.35 2.17  ±  0.36