Cancer Information Service

CIS. The Cancer Information Service is the National Cancer Institute's (NCI) link to the public, interpreting and explaining research findings in a clear, understandable manner and providing personalized answers to questions about cancer. Talk with CIS staff toll-free by calling 1-800-4-CANCER (1-800-422-6237), or reach them online through LiveHelp, NCI's instant messaging service, at

Chemwatch
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