@article {80491, title = {(2006) Pbx1/Pbx2 requirement for distal limb patterning is mediated by the hierarchical control of Hox spatial distribution and Shh expression.}, journal = {Development}, volume = {133}, year = {2006}, pages = {2263-73}, author = {Capellini, TD and Di Giacomo, G and Salsi, V and Brendolan, A and Ferretti, E and Srivastava, D and Zappavigna, V and Selleri, L} }