Previous Article Next Article Table of Contents Science, Vol.274, No.5293, 1751-1753, 1996 DOI10.1126/science.274.5293.1751 Export Citation Dating the Cenancester of Organisms - Reply Doolittle RF, Feng DF, Tsang S, Cho G, Little E Keywords:AMINO-ACID SUBSTITUTIONS;RATE VARIES;NUMBER;ORIGIN;SITES Please enable JavaScript to view the comments powered by Disqus.
