Previous Article Next Article Table of Contents Science, Vol.334, No.6062, 1496-1496, 2011 DOI10.1126/science.334.6062.1496 Export Citation Initiation of Proximal-Distal Patterning in the Vertebrate Limb by Signals and Growth (vol 332, pg 1083, 2011) Strain D Please enable JavaScript to view the comments powered by Disqus.