gutta-percha: References & Edit History

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Article History

Type Description Contributor Date
Invalidated site: Zipcode Zoo - Gutta Percha. May 21, 2012
Add new Web site: Zipcode Zoo - Gutta Percha. Jan 30, 2012
Add new Web site: Public Broadcasting Service - Gutta-Percha. Jan 30, 2012
Add new Web site: Fact Monster - Science - Gutta-Percha. Jan 25, 2012
Article added to new online database. Jul 20, 1998
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