1. Cancer Patient Survival,1977
2. Incidence of multiple primary cancers. III;Berg;Cancers of the respiratory and upper digestive systems as multiple primary cancers. J. Natl. Ca. Inst.,1970
3. Second primaries in cases of cancer of the larynx;Brown;J. Laryng. Otol.,1978
4. Burbank, F.: Patterns in Cancer Mortality in the United States: 1950-1967. NCI Monograph 33, US DHEW, PHS, 1971.
5. Tobacco, alcohol, asbestos, and nickel in the etiology of cancer of the larynx: a case-control study;Burch;J. Natl. Ca. Inst.,1981