><script type="text/javascript">//<![CDATA[
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//]]></script><span class="glosstext" id="POPUP10442" style="display: none;"> In general, a composite likelihood is defined as a sum of log-likelihoods for related estimates. In MEGA4, the maximum composite likelihood is used for describing the sum of log-likelihoods for all pairwise distances in a distance matrix (Tamura et al. 2004) estimated by using the Tamura-Nei (1993) model (see related Tamura-Nei distance). Furt