RT Book, Section A1 Douglas, Vanja C. A1 Aminoff, Michael J. A2 Papadakis, Maxine A. A2 McPhee, Stephen J. A2 Rabow, Michael W. SR Print(0) ID 1166171993 T1 Degenerative Motor Neuron Diseases T2 Current Medical Diagnosis and Treatment 2020 YR 2020 FD 2020 PB McGraw-Hill Education PP New York, NY SN 9781260455281 LK accessmedicine.mhmedical.com/content.aspx?aid=1166171993 RD 2022/05/28 AB ESSENTIALS OF DIAGNOSISWeakness.No sensory loss or sphincter disturbance.Progressive course.No identifiable underlying cause other than genetic basis in familial cases.