Comment on

• Left-right asymmetric expression of the TGF beta-family member lefty in mouse embryos.

  Meno C, Saijoh Y, Fujii H, Ikeda M, Yokoyama T, Yokoyama M, Toyoda Y, Hamada H. Meno C, et al. Nature. 1996 May 9;381(6578):151-5. doi: 10.1038/381151a0. Nature. 1996. PMID: 8610011
• Relationship between asymmetric nodal expression and the direction of embryonic turning.

  Collignon J, Varlet I, Robertson EJ. Collignon J, et al. Nature. 1996 May 9;381(6578):155-8. doi: 10.1038/381155a0. Nature. 1996. PMID: 8610012
• Conserved left-right asymmetry of nodal expression and alterations in murine situs inversus.

  Lowe LA, Supp DM, Sampath K, Yokoyama T, Wright CV, Potter SS, Overbeek P, Kuehn MR. Lowe LA, et al. Nature. 1996 May 9;381(6578):158-61. doi: 10.1038/381158a0. Nature. 1996. PMID: 8610013