Ogura, T. ; Alvarez, I. S. ; Vogel, A. ; Rodríguez, C. ; Evans, R. M. ; Izpisúa Belmonte, J. C. (1996):
Evidence that Shh cooperates with a retinoic acid inducible co-factor to establish ZPA-like activity.
In: Development (Cambridge, England), 122 (2), pp. 537-42. ISSN 0950-1991,
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