Age-dependent increases in oxidative damage to DNA, lipids and proteins in human skeletal muscle. - Mecocci,P.; Fanó,G.; Fulle,S.; MacGarvey,U.; Shinobu,L.; Polidori,M.C.; Cherubini,A.; Vecchiet,J.; Senin,U.; Beal,M.F. (Free Radic Biol Med, 1999)