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Aims To evaluate the incidence of described purchases of vitamin B12 in community-dwelling persons with and without Alzheimer’s disease (AD) from 9 years before to 5 years after the diagnosis. Subject and methods We utilized register-based data from the Finnish nationwide MEDALZ (Medication use and Alzheimer’s disease) cohort, including all AD cases who received a diagnosis in 2005–2011 (N = 70,718)...
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