title: The immune system continues to knock at the ALS door.
authors.affiliation: Department of Neurology, Mayo Clinic, Rochester, MN, USA. Electronic address: staff.nathan@mayo.edu.
authors.forename: Nathan P
authors.initials: NP
authors.lastname: Staff
authors.affiliation: Department of Neurology, Methodist Neurological Institute, Houston, TX, USA. Electronic address: SAppel@houstonmethodist.org.
authors.forename: Stanley H
authors.initials: SH
authors.lastname: Appel
mesh_terms: D000690:Amyotrophic Lateral Sclerosis; D006801:Humans; D007107:Immune System