Mass Vaccination of Children with Pertussis Toxoid: Decreased Incidence in Both Vaccinated and Nonvaccinated Persons
Autor: | Lagergård, Teresa, Robbins, John B. |
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Zdroj: | Clinical Infectious Diseases, 2001 Oct 01. 33(7), 1004-1009. |
Databáze: | JSTOR Journals |
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