Levels of saliva cotinine in electronic cigarette users: Cotinine in vapers
Individual Clinical
Biomarkers
Biomarkers Of Exposure
Etter (2014)
Characteristics of users and usage of different types of electronic cigarettes: findings from an online survey
Population Clinical
Consumer Use
Factors
Influencing
Patterns Of Use
Etter (2016)
A longitudinal study of cotinine in long-term daily users of e-cigarettes
Individual Clinical
Biomarkers
Biomarkers Of Exposure
Etter (2016)