What you need to know about cancers of the colon and rectum.

APA Citation

National Cancer Institute (U.S.). (1999). What you need to know about cancers of the colon and rectum. Rev. July 1999. Bethesda, Md.: U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, National Cancer Institute.

MLA Citation

National Cancer Institute (U.S.). What You Need to Know About Cancers of the Colon And Rectum. Rev. July 1999. Bethesda, Md.: U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, National Cancer Institute, 1999.