psittacine beak and feather disease: References & Edit History
Article Contributors
Primary Contributors
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John M. Bowen
Emeritus Professor and Associate Dean, College of Veterinary Medicine, University of Georgia.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Invalidated site: The Merck Veterinary Manual - Psittacine Beak and Feather Disease. | Jun 27, 2017 | ||
| Add new Web site: Department of the Environment and Water Resources - Psittacine Beak And Feather disease. | Jul 22, 2011 | ||
| Add new Web site: The Merck Veterinary Manual - Psittacine Beak and Feather Disease. | Jul 20, 2011 | ||
| New article added. | Apr 06, 2007 |
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