https://www.cochrane.org/fr/CD015226/TOBACCO_quelle-est-lefficacite-des-medicaments-et-des-cigarettes-electroniques-pour-arreter-de-fumer-et 2023 United Kingdom review of literature french abstract Function Daily Living cigarette smoke Electronic Cigarettes Electronic Nicotine Delivery Systems Electronic Cigarette Efficacy Study Pharmacologic Substance Stop efficiency withholding treatment Better than Others Mathematical Operator smoking cessation drug, nos Cigarette Smoking GDC Therapeutic Agent Terminology Improved Medication Cigar Smoking What Month is it electron Functional Relationship