References
- 1. Report of the Surgeon General: Smoking and Health (1.964).
- 2. Armstrong, H. E., and Evans, E. V.: Brit. med. J. 1. (1.922) 992.
- 3. Bogen, E. J.: J. Amer. med. Ass. 93 (1.929) 1.1.1.0.
- 4. Baumberger, I. P.: J. Pharmaeol. exp. Ther. 21. (1.923) 23.
- 5. Philipe, R. J ., and Hobbs, M. E.: Anal. Chem. 28 (1.956) 2002.
- 6. Osborne, J. S., Adamek, S., and Hobbs, M. E.: Anal. Chem. 28 (1.956) 21.1..
- 7. Kyryaeos, G., and Board, C. E.: Anal. Chem. 29 (1.957) 787.
- 8. Bokhoven, C., and Niessen, H. J.: Nature 4801. (1.961.) 458.
- 9. Mumpower, R. C., Lewis, J. L., and Touey, G. P.: Tob. Sei. VI (1.962) 1.42.
- 10. Newsome, J. R., and Keith, C. H.: Tob. Sei. IX (1.965) 65.
- 11. Jarwell, J. E., and de la Burde, R.: Tob. Sei. IX (1.965) 5·
- 12. Touey, G. P.: Anal. Chem. 27 (1.955) 1.788.
- 13. Watanobe, M., and Kobashi, Y.: Sei. Papers eent. Res. Inst. Jap. 1.07 (1.965) 177; ref.: CORESTA Bulletin 1. (1.966) 27.
- 14. Miller, J. E.: Beitr. Tabakforsch. 1. (1.962) 299.