title: MR imaging of upper motor neuron compromise in amyotrophic lateral sclerosis.
authors.forename: Antônio J
authors.initials: AJ
authors.lastname: da Rocha
authors.forename: Antônio Carlos Martins
authors.initials: AC
authors.lastname: Maia
authors.forename: Ricardo B
authors.initials: RB
authors.lastname: Fonseca
mesh_terms: D000690:Amyotrophic Lateral Sclerosis / Q000175:diagnosis*; D006801:Humans; D008279:Magnetic Resonance Imaging; D009046:Motor Neurons; D011712:Pyramidal Tracts; D012680:Sensitivity and Specificity