TY - RPRT TI - buttonhead does not contribute to a combinatorial code proposed for Drosophila head development. AU - E A Wimmer AU - S M Cohen AU - H Jäckle AU - C Desplan PY - 1997 DO - 10.1242/dev.124.8.1509 UR - https://pubmed.ncbi.nlm.nih.gov/9108367/ ID - 9108367 ER -