title: Expiratory flow patterns in amyotrophic lateral sclerosis.
mesh_terms: D000690:Amyotrophic Lateral Sclerosis / Q000503:physiopathology*; D005541:Forced Expiratory Volume; D006801:Humans; D008449:Maximal Expiratory Flow-Volume Curves; D012119:Respiration; D013147:Spirometry; D014797:Vital Capacity