Elimination of nicotine gum use.
D000328:Adult; D002638:Chewing Gum; D006801:Humans; D008297:Male; D009538:Nicotine / Q000009:adverse effects; D012907:Smoking / Q000628:therapy*; D013375:Substance Withdrawal Syndrome / Q000628:therapy*
D002638:Chewing Gum; D009538:Nicotine