Rev Pneumol Clin
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Three drugs are used as an aid for smoking cessation: nicotine replacement therapy (NRT), varenicline and bupropion. Standard pharmacological strategies have proven their efficacy but may have poor efficacy, especially among "Hard-core smokers" who display low smoking abstinence rates and high relapse rates. ⋯ Pharmacological strategies different from standard treatments maybe useful for smoking cessation aid.