title: [On cerebro-organic causes of fatigue].
mesh_terms: D000328:Adult; D004569:Electroencephalography; D006801:Humans; D008297:Male; D005222:Mental Fatigue / Q000188:drug therapy / Q000209:etiology* / Q000378:metabolism; D008875:Middle Aged; D014805:Vitamin B 12 / Q000627:therapeutic use
chemical_list: D014805:Vitamin B 12
vernacular_title: Uber cerebral-organische Ursachen der Ermüdung.