. "Reviewed: Gotoh, N, 2011-08-26"^^ . "Authored: Rothfels, K, 2011-08-15"^^ . "The direct GRB2-binding sites of FRS2alpha have a major role in activation of the PI3K pathway."^^ . . . . . . . . . "GRB2:GAB1:PI3Kreg binds directly to p-FRS2:activated FGFR"^^ . . . .