Mice Lacking Zfhx1b, the Gene That Codes for Smad-Interacting Protein-1, Reveal a Role for Multiple Neural Crest Cell Defects in the Etiology of Hirschsprung Disease–Mental Retardation SyndromeTom Van de Putte, Yujiro Higashi, Danny Huylebroeck et al.|The American Journal of Human Genetics|2003Cited by 308