title: Clinical limits of amyotrophic lateral sclerosis.
mesh_terms: D000368:Aged; D000690:Amyotrophic Lateral Sclerosis / Q000175:diagnosis*; D003704:Dementia / Q000209:etiology; D003937:Diagnosis, Differential; D005207:Fasciculation / Q000209:etiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009120:Muscle Cramp / Q000209:etiology; D009128:Muscle Spasticity / Q000209:etiology; D009133:Muscular Atrophy / Q000209:etiology; D012021:Reflex, Abnormal / Q000209:etiology