Preventing senile dementia: hope for the future.
D000368:Aged; D002794:Choline / Q000627:therapeutic use; D003704:Dementia / Q000188:drug therapy / Q000517:prevention & control*; D004088:Dihydroergotoxine / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008297:Male; D008568:Memory / Q000187:drug effects; D008875:Middle Aged; D010889:Piracetam / Q000627:therapeutic use
D004088:Dihydroergotoxine; D002794:Choline; D010889:Piracetam