cobalt-60: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Changed “longest-lived isotope” to “longest-lived radioactive isotope.” | Feb 15, 2022 | ||
| Add new Web site: Unietd States Environmental Protection Agency - Cobalt-60. | Nov 23, 2021 | ||
| Add new Web site: Centers for Disese Control and Prevention - Radiation Emergencies - Cobalt-60. | Nov 23, 2021 | ||
| New article added. | Jun 30, 2020 |
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