?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Espinosa-Medina%2C+I&rft.aufirst=I&rft.aulast=Espinosa-Medina&rft.pages=11980-11985&rft.title=Proceedings+of+the+National+Academy+of+Sciences&rft.issue=45&rft.atitle=Dual+origin+of+enteric+neurons+in+vagal+Schwann+cell+precursors+and+the+sympathetic+neural+crest&rft.volume=114&rft.date=7+November+2017&rft.genre=article