[1. Stedman, R. L., Swain, A. P., and Rusaniwskyj, W.: Tobacco Science 6 (1962) 1.]Search in Google Scholar
[2. Cook, C. E., Twine, M. E., Tallent, C. R., Harper, 1., Heunisch, G., Lewis, J. B., and Wall, M. E.: Abst. 21st Tob. Chem. Res. Conf., Durham, N. C., 1967.]Search in Google Scholar
[3. Lam, J.: Acta Path. et Microbial. Scand. 37 (1955) 421.10.1111/j.1699-0463.1955.tb00965.x]Search in Google Scholar
[4. Lam, J.: Acta Path. et Microbial. Scand. 45 (1959) 237.10.1111/j.1699-0463.1959.tb04706.x]Search in Google Scholar
[5. Badger, G. M., Donnelly, J. K., and Spotswood, T. M.: Austral. J. Chem. 18 (1965) 1249.10.1071/CH9651249]Search in Google Scholar
[6. Johnstone, R. A. W., and Plimmer, J, R.: Chem. Rev. 59 (1959) 885.10.1021/cr50029a004]Search in Google Scholar
[7. Campbell, J. M., and Lindsey, A. J.: Brit. J, Cancer 101956) 649.]Search in Google Scholar
[8. Lam,J: Acta Path. et Microbiol. Scand. 40 (1957) 369.]Search in Google Scholar
[9. Raybum, C. H., Wartman, W. B., Jr., and Pederson, P. M.: Science 128 (1958) 1344. 10.1126/science.128.3335.1344.a]Search in Google Scholar
[10.Wynder, E. L., Wright, G. F., and Lam, J.: Cancer 11 (1958) 1140.10.1002/1097-0142(195811/12)11:6<1140::AID-CNCR2820110609>3.0.CO;2-Z]Search in Google Scholar
[11.Wynder, E. L., Wright, G. F., and Lam,J: Cancer 12 (1959) 1073.10.1002/1097-0142(195911/12)12:6<1073::AID-CNCR2820120603>3.0.CO;2-2]Search in Google Scholar
[12. Schmeltz, 1., Schlotzhauer, W. S., and Jnes, T. C.: Abst. 21st Tob. Chem. Res. Conf., Durham, N. C., 1967.]Search in Google Scholar
[13. Schlotzhauer, W. S., Schmeltz, 1., and Hickey, L. C.: Tobacco Science 11 (1967) 31.]Search in Google Scholar
[14. Touey, G. P., and Mumpower, R. C., II: Tobacco Science 1 (1957) 33.]Search in Google Scholar
[15. Schmeltz, I., Stedman, R. L., and Chamberlain, W. J: Anal. Chem. 36 (1964) 2499.10.1021/ac60219a038]Search in Google Scholar
[16. Schlotzhauer, W. S., and Schmeltz, I.: Tobacco Science 11 (1967) 89.]Search in Google Scholar