[Characteristics of diseases in the aged (I). 1. Diseases of the brain and nerves].
D000368:Aged; D003929:Diabetic Neuropathies; D006801:Humans; D008875:Middle Aged; D009369:Neoplasms / Q000150:complications; D009422:Nervous System Diseases / Q000209:etiology; D013122:Spinal Diseases / Q000150:complications