Evidence that hydrogen peroxide, not superoxide anion, is the primary cytotoxic oxygen metabolite in the pathogenesis of cardiac anoxia/reoxygenation- and ischemia/reperfusion-mediated damage: M. Shlafer, C.L. Myers, M.M. Kirsh, M. Turla, M. Mervis, S.J. Weiss. Depts. of Pharmacology, Surgery and Internal Medicine, University of Michigan Medical School, Ann Arbor, MI 48109