The case test-negative design for studies of the effectiveness of influenza vaccine
Autor: | Foppa, Ivo M., Haber, Michael, Ferdinands, Jill M., Shay, David K. |
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Zdroj: | In Vaccine 26 June 2013 31(30):3104-3109 |
Databáze: | ScienceDirect |
Externí odkaz: |