Serum cotinine levels in pipe smokers: evidence against nicotine as cause of coronary heart disease.
Serum levels of cotinine (a principal metabolite of nicotine) were studied in men who did not smoke (28), and in men who smoked cigarettes only (150), cigars only (70), and pipes only (56). The mean cotinine level for pipe smokers was 389 ng/ml, significantly higher than the mean level for cigarette...
| Main Authors: | , , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
1981
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