Source:http://linkedlifedata.com/resource/umls/id/C0599654
NCI: A chewing gum that contains a small dose of nicotine, which enters the blood by being absorbed through the lining of the mouth. This helps stop nicotine cravings and relieves symptoms that occur when a person is trying to quit smoking. A prescription is not needed for nicotine gum.,NCI: A chewing gum containing nicotine used as a substitute for the active ingredient in tobacco. Nicotine chewing gum reduces the withdrawal symptoms associated with smoking cessation.