%0 Journal Article %T Sonic hedgehog regulates Gli activator and repressor functions with spatial and temporal precision in the mid/hindbrain region %A Sandra, Blaess, %A D., Corrales, JoMichelle %A L., Joyner, Alexandra %J Development %V 133 %N 9 %P 1799-1809 %@ 0950-1991 %D 2006-05-01 %I The Company of Biologists %~ DeepDyve