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A second controlled field trial of a serogroup A meningococcal polysaccharide vaccine in Alexandria
The encouraging results of an earlier controlled field trial of the serogroup A meningococcal polysaccharide vaccine in the prevention of clinical disease prompted this study, the aim of which was to evaluate further the effectiveness of another lot of this type of vaccine, the duration of immunity,...
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| Main Authors: | , , , , , , , , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
1977
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2366720/ https://ncbi.nlm.nih.gov/pubmed/413639 |
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