| NOUN | person | Peyton Rous, Rous, Francis Peyton Rous | United States pathologist who discovered viruses that cause tumors (1879-1970) |
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| Meaning | United States pathologist who discovered viruses that cause tumors (1879-1970). | |
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| Synonyms | Rous, Francis Peyton Rous | |
| Instance of | diagnostician, pathologist | A doctor who specializes in medical diagnosis |