Gender differences on the effects of aging on cardiac and peripheral adrenergic stimulation in old conscious monkeys. - Takagi, Gen; Asai, Kuniya; Vatner, Stephen F.; Kudej, Raymond K.; Rossi, Franco; Peppas, Athanasios; Takagi, Ikuyo; Resuello, Ranillo R.G.; Natividad, Filipinas; You-Tang Shen; Vatner, Dorothy E. (American Journal of Physiology: Heart & Circulatory Physiology, 2003)