摘要：A role has been suggested for free radicals and active states of oxygen in tumor promotion. There are a number of lines of support for this hypothesis, but no definitive evidence. The hypothesis has proven of value in leading to the development of models pertinent to understanding the mechanism of action of tumor promoters. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (509K), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References . 55 56 57
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