title: OTC nicotine gum.
authors: J P
authors: JP
authors: McKenna
mesh_terms: D002638:Chewing Gum; D006801:Humans; D009538:Nicotine; D004366:Nonprescription Drugs; D016540:Smoking Cessation / Q000379:methods*; D014481:United States
chemical_list: D002638:Chewing Gum; D004366:Nonprescription Drugs; D009538:Nicotine