APA-viite

Nadel, J. L. (2014). Incidence and risk factors for cognitive impairment in rural elderly populations in Costa Rica.

Chicago-tyylinen lähdeviittaus

Nadel, Jeffrey L. Incidence and Risk Factors for Cognitive Impairment in Rural Elderly Populations in Costa Rica. 2014.

MLA-viite

Nadel, Jeffrey L. Incidence and Risk Factors for Cognitive Impairment in Rural Elderly Populations in Costa Rica. 2014.

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