[Interpretation of exhaled CO levels in studies on smoking].


INTRODUCTION Exhaled carbon monoxide (ECO) concentration provides an easy, fast and non invasive means of assessing smoking status. However, some difficulties have to be considered when interpreting ECO levels. BACKGROUND CO is a non-specific biomarker of tobacco exposure. Its half-life is short (2-6 hours). CO reflects the intensity of tobacco smoke… (More)
DOI: 10.1016/j.rmr.2009.09.004


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