title: Risk factors in amyotrophic lateral sclerosis.
authors.affiliation: Neuroepidemiology Research Program, Veterans Affairs Medical Center, Washington, DC 20422.
authors.forename: J F
authors.initials: JF
authors.lastname: Kurtzke
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000690:Amyotrophic Lateral Sclerosis / Q000453:epidemiology / Q000209:etiology* / Q000401:mortality; D003710:Demography; D014943:Global Health; D006801:Humans; D015994:Incidence; D008875:Middle Aged; D009046:Motor Neurons; D009468:Neuromuscular Diseases / Q000401:mortality; D015995:Prevalence; D044469:Racial Groups; D012307:Risk Factors; D012737:Sex Factors; D013029:Space-Time Clustering; D014947:Wounds and Injuries / Q000150:complications