Nicotine dependence and biochemical exposure measures in the second trimester of pregnancy
Introduction: The Heaviness of Smoking Index (HSI) is validated to measure nicotine dependence in nonpregnant smokers, and in these smokers, mean salivary and serum cotinine levels are related by a ratio of 1.25. However, as nicotine metabolism increases during gestation, these findings may differ...
| Main Authors: | , , , , |
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| Format: | Article |
| Published: |
Oxford University Press
2014
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| Online Access: | https://eprints.nottingham.ac.uk/2854/ |