Efficacy of nicotine gum in general practice: one year follow-up.
D005500:Follow-Up Studies; D006801:Humans; D009538:Nicotine / Q000031:analogs & derivatives* / Q000627:therapeutic use; D011109:Polymethacrylic Acids / Q000627:therapeutic use*; D011145:Polyvinyls / Q000627:therapeutic use*; D012907:Smoking; D061485:Tobacco Use Cessation Devices
D011109:Polymethacrylic Acids; D011145:Polyvinyls; D009538:Nicotine