Cerny R, Lwigale P, Ericsson R, Meulemans D, Epperlein HH, Bronner-Fraser M. Developmental origins and evolution of jaws: new interpretation of \"maxillary\" and \"mandibular\". Dev Biol. 2004 Dec 01;276(1):225–36. doi: 10.1016/j.ydbio.2004.08.046. PMID: 15531376.