Challenges of epidemiological studies of mild cognitive impairment.
Petersen
Ronald C
RC
D003072:Cognition Disorders / Q000145:classification / Q000453:epidemiology*; D016208:Databases, Factual; D016021:Epidemiologic Studies; D006801:Humans; D015994:Incidence; D007391:International Cooperation; D015995:Prevalence; D012107:Research Design; D013223:Statistics as Topic