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Identical twins with Alzheimer's disease.
  1. C Kilpatrick,
  2. R Burns,
  3. P C Blumbergs
  1. Department of Medicine, Flinders Medical Centre, South Australia.


    Genetically proven identical twin sisters with Alzheimer's disease are reported. Both sisters at the age of fifty years developed a dementing illness. Their mother and maternal grandmother developed at the same age a similar illness. It is suggested that in some cases of familial Alzheimer's disease the condition is inherited by a single mutant gene.

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