withdrawal associated_with difficulty concentrating

Subject: withdrawal
Relation: associated_with
Object: difficulty concentrating
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

includes items to assess difficulty concentrating

confidence: 0.95