Protective efficacy of a second pneumococcal conjugate vaccine against pneumococcal acute otitis media in infants and children: randomized, controlled trial of a 7-valent pneumococcal polysaccharide-meningococcal outer membrane protein complex conju
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| Description | scientific article published on 07 October 2003 |
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author: Juhani Eskola Terhi Kilpi Helena Käyhty |
| Publication date | October 7, 2003 |
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