Folie à deux in the aged: review and case report of role reversal.
D000367:Age Factors; D000368:Aged; D003702:Delusions; D005260:Female; D005639:Frustration; D006791:Hostility; D006801:Humans; D007398:Interpersonal Relations; D007989:Libido; D011203:Poverty; D012753:Shared Paranoid Disorder / Q000145:classification / Q000453:epidemiology / Q000235:genetics; D012934:Social Isolation