Axis Development and Early Asymmetry in Mammals

@article{Beddington1999AxisDA,
  title={Axis Development and Early Asymmetry in Mammals},
  author={Rosa S. P. Beddington and Elizabeth J. Robertson},
  journal={Cell},
  year={1999},
  volume={96},
  pages={195-209}
}
We thank Peter Rigby and Tristan Rodriguez for their helpful discussion and apologize to all those whose work has not been cited due to space constraints. 
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