Diaphragmatic function in amyotrophic lateral sclerosis.
D000690:Amyotrophic Lateral Sclerosis / Q000503:physiopathology*; D003964:Diaphragm / Q000503:physiopathology*; D006801:Humans; D008449:Maximal Expiratory Flow-Volume Curves; D012119:Respiration; D012129:Respiratory Function Tests