ALS is classified into two sub-groups: Familial ALS and Sporadic ALS.
Amyotrophic lateral sclerosis classification
Multiple sclerosis classification
Amyotrophic lateral sclerosis epidemiology and demographics
Charcot-Marie-Tooth disease epidemiology and demographics
Multiple sclerosis electrocardiogram
Spinal muscular atrophy epidemiology and demographics
Amyotrophic lateral sclerosis pathophysiology
Amyotrophic lateral sclerosis physical examination