Ritchie Ritchie C C CSF tau and the CSF tau/ABeta ratio for the diagnosis of Alzheimer’s disease dementia and other dementias in people with mild cognitive impairment (MCI) CSF tau and the CSF tau/ABeta ratio for the diagnosis of Alzheimer’s disease dementia and other dementias in people with mild cognitive impairment (MCI) Cochrane Database Syst Rev Cochrane Database Syst Rev 2017 2017 3 3 CD010803 CD010803 supplied-pmid 28328043? The gene discussed is MAPT; the disease is Cognitive impairment.