title: Risk factors for onset of amyotrophic lateral sclerosis.
authors.affiliation: Institute of Physiology Unit, Instituto de Medicina Molecular, Faculty of Medicine, University of Lisbon, Lisbon, Portugal.|Departments of Neurology and Neuroscience, Barts and the London School of Medicine, Queen Mary University of London, London, UK.
authors.forename: M
authors.initials: M
authors.lastname: Swash
authors.affiliation: Institute of Physiology Unit, Instituto de Medicina Molecular, Faculty of Medicine, University of Lisbon, Lisbon, Portugal.|Department of Neurology, Department of Neurosciences, Hospital de Santa Maria, CHLN, Lisbon, Portugal.
authors.forename: M
authors.initials: M
authors.lastname: de Carvalho
mesh_terms: D000690:Amyotrophic Lateral Sclerosis; D006801:Humans; D012307:Risk Factors