title: Natural history of ALS: symptoms, strength, pulmonary function, and disability.
authors.affiliation: ALS Clinical Research Center, University of Wisconsin Hospital and Clinics, Madison 53792-5132, USA.
authors.forename: B R
authors.initials: BR
authors.lastname: Brooks
mesh_terms: D017668:Age of Onset; D000690:Amyotrophic Lateral Sclerosis / Q000503:physiopathology*; D000818:Animals; D005260:Female; D006801:Humans; D008297:Male