carbon monoxide biomarker_for smoking abstinence

Subject: carbon monoxide
Relation: biomarker_for
Object: smoking abstinence
p-value: —

Evidence from: primary | all sources

Evidence (1 sources)

COMT Val158Met modulates subjective responses to intravenous nicotine and cognitive performance in abstinent smokers. (2013) PMID:23459442 cited

Abstinence from smoking was confirmed by measuring expired carbon monoxide (CO; <10 parts-per-million).

confidence: 0.95