title: The development and history of chewing gum.
authors.forename: L A
authors.initials: LA
authors.lastname: Cloys
authors.forename: A G
authors.initials: AG
authors.lastname: Christen
authors.forename: J A
authors.initials: JA
authors.lastname: Christen
mesh_terms: D002170:Canada; D002489:Central America; D002638:Chewing Gum / Q000266:history*; D005060:Europe; D049670:History, 17th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D014481:United States
chemical_list: D002638:Chewing Gum