“Intracellular chelation of … preloading cells with iron enhanced, toxicity, Inhibition of oxidized LDL and … chol toxicity by 2-keto-4-thiolmethyl butyric acid , a putative alkoxyl radical scavenger and by vitamin E, probucol and diphenylphenylenediamine, putative … radicals was consistent with the involvement of these radicals in the lethal sequence.”