?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Al+Khleifat&rft.aufirst=A&rft.au=Al+Khleifat%2C+A&rft.date=6+April+2021&rft.atitle=Intuitive+Staging+Correlates+With+King's+Clinical+Stage.&rft.title=Amyotrophic+Lateral+Sclerosis+and+Frontotemporal+Degeneration&rft.genre=article