Obtaining Hospital and Physician Participation In a Case-Control Study of Colon Cancer.
| Autor: | Herrmann, Nira1, Amsel, Jonathan1, Lynch, Eileen1 |
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| Zdroj: | American Journal of Public Health. Dec1981, Vol. 71 Issue 12, p1314-1319. 6p. |
| Databáze: | Academic Search Ultimate |
| Externí odkaz: |
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