Oxidative stress and DNA damage in older adults that do exercises regularly - Mergener, M; Martins, M R; Antunes, M V; da Silva, C C; Lazzaretti, C; Fontanive, T O; Suyenaga, E S; Ardenghi, P G; Maluf, S W; Gamaro, G D (Clin Biochem, 2009)