Role of mitochondrial superoxide dismutase in contraction-induced generation of reactive oxygen species in skeletal muscle extracellular space. - McArdle, A.; van der Meulen, J.; Close, G. L.; Pattwell, D.; Van Remmen, H.; Huang, T. T.; Richardson, A. G.; Epstein, C. J.; Faulkner, J. A.; Jackson, M. J. (American Journal of Physiology: Cell Physiology, 2004)