Cotinine versus questionnaire: early-life environmental tobacco smoke exposure and incident asthma
<p>Abstract</p> <p>Background</p> <p>The use of biomarkers has expanded considerably, as an alternative to questionnaire-based metrics of environmental tobacco smoke (ETS); few studies have assessed the affect of such alternative metrics on diverse respiratory outcomes...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2012-12-01
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Series: | BMC Pediatrics |
Subjects: | |
Online Access: | http://www.biomedcentral.com/1471-2431/12/187 |