Brain Transcriptome Database (BrainTx)http://rdf.ncbi.nlm.nih.gov/pubmed/

Pao-Tien. Chuang, et.al., Feedback control of mammalian Hedgehog signaling by the Hedgehog-binding protein, Hip1, modulates Fgf signaling during branching morphogenesis of the lung., Genes & development, 2003, 17
http://rdf.ncbi.nlm.nih.gov/pubmed/12569124