comfrey: References & Edit History

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  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

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Article History

Type Description Contributor Date
Invalidated site: PubMed/Medline. Nov 27, 2018
Media added. Oct 14, 2008
Added new Web site: How Stuff Works - Health - Comfrey. Aug 07, 2008
Added new Web site: Golden Harvest Organics - Comfrey. Sep 14, 2007
Added new Web site: Springboard - Comfrey. Sep 14, 2007
Added new Web site: Thomson Healthcare - Comfrey. Sep 14, 2007
Added new Web site: Purdue University - Comfrey. Sep 14, 2007
Added new Web site: Botanical.com - Comfrey. Sep 14, 2007
Added new Web site: University of Maryland Medical Center - Comfrey. Sep 14, 2007
Added new Web site: Phytochemicals - Comfrey. Sep 14, 2007
Article added to new online database. Jul 20, 1998
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