TY - RPRT TI - Neural crest specification regulated by the helix-loop-helix repressor Id2. AU - B J Martinsen AU - M Bronner-Fraser PY - 1998 DO - 10.1126/science.281.5379.988 UR - https://pubmed.ncbi.nlm.nih.gov/9703514/ ID - 9703514 ER -