title: A man with a gait disorder.
authors.forename: Henning
authors.initials: H
authors.lastname: Mast
authors.forename: Julia
authors.initials: J
authors.lastname: Kejda
authors.forename: Jay P
authors.initials: JP
authors.lastname: Mohr
mesh_terms: D000368:Aged; D000690:Amyotrophic Lateral Sclerosis / Q000175:diagnosis*; D003937:Diagnosis, Differential; D020234:Gait Ataxia / Q000209:etiology*; D006801:Humans; D008297:Male; D016472:Motor Neuron Disease / Q000175:diagnosis / Q000209:etiology; D010257:Paraneoplastic Syndromes / Q000150:complications / Q000175:diagnosis*; D017096:Prion Diseases / Q000175:diagnosis