Agreement between Self-Reported Smoking and Cotinine Concentration in Adolescents: A Validation Study in Brazil
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PII: S1054-139X(08)00104-3
doi:10.1016/j.jadohealth.2008.02.002
© 2008 Society for Adolescent Medicine. Published by Elsevier Inc. All rights reserved.
Refers to article:
- Who's Smoking? Cotinine versus Self-Report in Adolescent Populations
