Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10443282 | Addictive Behaviors | 2013 | 4 Pages |
Abstract
A lower 4Â ppm ECO cut-point may be necessary to identify pregnant smokers using expired air samples, and this cut-point appears valid throughout pregnancy. Work is ongoing to validate findings in larger samples, but it appears if an appropriate cut-point is used, ECO is a valid method for determining smoking status in pregnancy.
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Authors
Beth A. Bailey,