title: Effects of nicotine chewing gum on smoking cessation in routine clinical use.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002638:Chewing Gum; D003131:Combined Modality Therapy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009538:Nicotine / Q000008:administration & dosage*; D011615:Psychotherapy, Group; D014029:Tobacco Use Disorder / Q000628:therapy*
chemical_list: D002638:Chewing Gum; D009538:Nicotine