Structural MRI correlates of apathy symptoms in older persons without dementia: AGES-Reykjavik Study..

Grool AM, Geerlings MI, Sigurdsson S, Eiriksdottir G, Jonsson PV, Garcia ME, Siggeirsdottir K, Harris TB, Sigmundsson T, Gudnason V, Launer LJ. 2014;82(18):1628-35. PMID:24739783