title: Experiences with nicotine chewing-gum in resistant smokers.
mesh_terms: D000328:Adult; D002638:Chewing Gum; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009538:Nicotine / Q000008:administration & dosage* / Q000627:therapeutic use; D012907:Smoking
chemical_list: D002638:Chewing Gum; D009538:Nicotine