Age-related decline in Ras/ERK mitogen-activated protein kinase cascade is linked to a reduced association between Shc and EGF receptor. - Hutter, Dorothy; Yo, Yoshikage; Hutter, D; Yo, Y; Chen, W; Liu, P; Holbrook, N J; Roth, G S; Liu, Y (Journals of Gerontology Series A: Biological Sciences & Medical Sciences, 2000)