1. Polydactyly
L.A. Lettice, et al. Proc. Natl. Acad. Sci. USA 2002; 99(11):

2. S. Ahn & A.L. Joyner Cell 118(4): 505-516 (2004).

3. Time dependence of Hh response in limb bud
S. Ahn & A.L. Joyner Cell 118(4): (2004).

4. S. Ahn & A.L. Joyner Cell 118(4): 505-516 (2004).

5. S. Ahn & A.L. Joyner Cell 118(4): 505-516 (2004).

6. Hh response in wild type and mutants
S. Ahn & A.L. Joyner Cell 118(4): (2004).

7. S. Ahn & A.L. Joyner Cell 118(4): 505-516 (2004).
Cell fate schematic
S. Ahn & A.L. Joyner Cell 118(4): (2004).