Post-diagnosis serum insulin-like growth factors in relation to dietary and lifestyle changes in the Prostate testing for cancer and Treatment (ProtecT) trial. by Er, V, Biernacka, K, Simpkin, A, Martin, R, Jeffreys, M, Emmett, P, Gilbert, R, Avery, K, Walsh, E, Davis, M, Donovan, J, Neal, D, Hamdy, F, Holly, J, Lane, J