Previous Article Next Article Table of Contents Nature, Vol.371, No.6492, 26-26, 1994 DOI10.1038/371026a0 Export Citation Inversion of Dorsoventral Axis Arendt D, Nublerjung K Keywords:BONE-MORPHOGENETIC PROTEIN-4;NEURAL PLATE;NEUROGENESIS;INDUCTION Please enable JavaScript to view the comments powered by Disqus.