title: Betel nut chewing in the United States: an old habit in a new country.
mesh_terms: D001114:Areca; D004032:Diet; D006801:Humans; D009059:Mouth Diseases / Q000209:etiology; D009061:Mouth Mucosa / Q000033:anatomy & histology; D010946:Plants, Medicinal; D014481:United States