Increased apoptosis and myocyte enlargement with decreased cardiac mass; distinctive features of the aging male, but not female, monkey heart - Zhang, Xiao-Ping; Vatner, Stephen F.; Shen, You-Tang; Rossi, Franco; Tian, Yimin; Peppas, Athanasios; Resuello, Ranillo R.G.; Natividad, Filipinas F.; Vatner, Dorothy E. (Journal of Molecular & Cellular Cardiology, 2007)