%0 Journal Article %J Proceedings of the National Academy of Sciences of the United States of America %D 2009 %T Natural selection and phylogenetic analysis %A Edwards, S. V. %K Evolution %K heterotachy %K long-branch attraction %K parsimony %B Proceedings of the National Academy of Sciences of the United States of America %V 106 %P 8799-8800 %8 Jun 2 %@ 0027-8424 %G English %M ISI:000266580500006 %! P Natl Acad Sci USA