Epidemiology of amyotrophic lateral sclerosis: 1. A case-control comparison based on ALS deaths.
D000690:Amyotrophic Lateral Sclerosis / Q000175:diagnosis / Q000401:mortality*; D004651:Employment; D005006:Ethnicity; D006801:Humans; D008297:Male; D008887:Military Medicine; D009017:Morbidity; D014481:United States