Authors: Wilm TP, Solnica-Krezel L.Citation: Proc Natl Acad Sci U S A. 2003 Apr 15;100(8):4363-5. Epub 2003 Apr 07.Abstract: Comment on Proc Natl Acad Sci U S A. 2003 Mar 18;100(6):3315-20.Organism or Cell Type: zebrafishDelivery Method: Microinjection