RT Journal Article SR Electronic T1 Retraction for Chao Guo et al., Lmx1b-Controlled Isthmic Organizer Is Essential for Development of Midbrain Dopaminergic Neurons JF The Journal of Neuroscience JO J. Neurosci. FD Society for Neuroscience SP np OP np VO 29 IS 21 YR 2009 UL http://www.jneurosci.org/content/29/21/np.abstract AB