Previous Article Next Article Table of Contents Nature, Vol.371, No.6498, 560-561, 1994 DOI10.1038/371560a0 Export Citation Developmental Biology - The Limb Bud .2. Maden M Keywords:HOMEOTIC TRANSFORMATIONS;PATTERN-FORMATION;HOMEOBOX GENES;RETINOIC ACID;EXPRESSION;MICE Please enable JavaScript to view the comments powered by Disqus.