Endogenous sex hormones, cognitive decline, and future dementia in old men.
Geerlings MI, Strozyk D, Masaki K, Remaley AT, Petrovitch H, Ross GW, White LR, Launer LJ. Endogenous sex hormones, cognitive decline, and future dementia in old men. Ann Neurol. 2006 Sep; 60(3):346-55.