Breath Carbon Monoxide and Cotinine as Biomarkers to Distinguish Smokers From Nonsmokers
Clinical trial NCT01031121 · COMPLETED
Trial details
- NCT number
- NCT01031121
- Sponsor
- National Institute on Drug Abuse (NIDA)
- Status
- COMPLETED
- Study type
- OBSERVATIONAL
- Start date
- 2009-06-08
- Enrollment
- 240
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