Neighbor-Joining

Tree reconstruction method saitou1987 using a distance matrix like that produced by ProtDist.

References

<biblio>

1. saitou1987 pmid=3447015
2. tatento1994 pmid=8170367
3. pearson1999 pmid=10368958
4. tamura2004 pmid=15258291
5. steele2006 pmid=16877499

</biblio>