Antonucci, Toni C; Helmer, C; Damon, D; Letenneur, L; Fabrigoule, C; Barberger-Gateau, P; Lafont, S; Fuhrer, Rebecca; Commenges, D; Orgogozo, J M; Dartigues, Jean-François. (1999). Marital status and risk of Alzheimer's disease: a French population-based cohort study. Neurology. 53(9), 1953-1958.