References
- 1. American Petroleum Institute, Res. Project 44, Carnegie Institute of Technology, Pittsburgh, Pa.
- 2. Hoffmann, D., and Rubin, J.: Beitr. Tabakforsch. 3 (1966) 409.
- 3. Hoffmann, D., and Wynder, E. L.: Natl. Cancer Inst. Monograph, in print.
- 4. Kallianos, A. G., Means, R. E., and Mold, J. D.: 2oth Tobacco Chemists' Res. Con£., WinstonSalem, North Carolina, 1966.
- 5. Neurath, G.: Experientia 23 (1967) 400.10.1007/BF021445436065789
- 6. Rathkamp, G., Hoffmann, D., and Wynder, E. L.: 2oth Tobacco Chemists' Res. Con£., WinstonSalem, North Carolina, 1966.
- 7. Robb, E. W., Johnson, W. R., Westbrook, J. J., and Seligman, R. B.: Beitr. Tabakforsch. 3 (1966) 597·
- 8. Sloan, C. H., and Sublett, B. J.: Tobacco Sci. 11 (1967) 21. 9· Wynder, E. L., and Hoffmann, D.: Advan. Cancer Res. 8 (1964) 249; also:."Tobacco and Tobacco Smoke, Studies in Experimental Carcinogenesis", Academic Press, New York, 1967