Workshop on Epidemiological Surveys
| Autor: | Ratzan, Kenneth R., Bryan, John A., Krackow, Joel |
|---|---|
| Zdroj: | The Journal of Infectious Diseases, 1969 Aug 01. 120(2), 264-265. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|
| Autor: | Ratzan, Kenneth R., Bryan, John A., Krackow, Joel |
|---|---|
| Zdroj: | The Journal of Infectious Diseases, 1969 Aug 01. 120(2), 264-265. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|