|Original language||English (US)|
|Number of pages||6|
|Journal||Beitrage zur Tabakforschung International/ Contributions to Tobacco Research|
|State||Published - Apr 1 1977|
Bibliographical noteFunding Information:
We thank Ms. S. J. Lee for excellent technical support and Mr. J. Camanzo for mass spectral analyses. This study was supported by Grant 1P O 1-CA-29580 of the National Cancer Institute.