title: Reflex-sensitive spinal segmental myoclonus associated with vitamin B12 deficiency.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D004576:Electromyography; D006801:Humans; D008297:Male; D008875:Middle Aged; D009207:Myoclonus / Q000188:drug therapy / Q000209:etiology* / Q000503:physiopathology; D010292:Paresthesia / Q000188:drug therapy / Q000209:etiology; D011312:Pressure / Q000009:adverse effects; D012021:Reflex, Abnormal; D013904:Thoracic Vertebrae; D014805:Vitamin B 12 / Q000627:therapeutic use; D014806:Vitamin B 12 Deficiency / Q000150:complications* / Q000188:drug therapy
chemical_list: D014805:Vitamin B 12