title: EEG, biochemical and behavioral characteristics of elderly psychiatric patients.
mesh_terms: D000368:Aged; D001519:Behavior; D004569:Electroencephalography; D006801:Humans; D006854:Hydrocortisone / Q000097:blood; D001523:Mental Disorders / Q000378:metabolism / Q000503:physiopathology*; D011188:Potassium / Q000378:metabolism; D012463:Saliva / Q000378:metabolism; D012964:Sodium / Q000378:metabolism
chemical_list: D012964:Sodium; D011188:Potassium; D006854:Hydrocortisone