The Cochrane review on nicotine replacement therapy: incorrect or uncertain classifications of additional support levels.
Walsh
R A
RA
D000279:Administration, Cutaneous; D006801:Humans; D009538:Nicotine / Q000627:therapeutic use*; D016032:Randomized Controlled Trials as Topic; D016540:Smoking Cessation / Q000379:methods; D000074606:Smoking Prevention
D009538:Nicotine