John Howard Northrop: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Anniversary information added. | May 23, 2026 | ||
| Anniversary information added. | Jul 01, 2025 | ||
| First paragraph modernization. | Mar 29, 2024 | ||
| Added new Web site: Dedicated Writers - Biography of John Howard Northrop. | Feb 16, 2009 | ||
| Added new Web site: The Nobel Foundation - Biography of John H. Northrop. | Feb 16, 2009 | ||
| Article revised. | Jan 12, 2000 | ||
| Article added to new online database. | Jul 20, 1998 |
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