Pneumococcal resistance and serotype 19A in Pittsburgh-area children with acute otitis media before and after introduction of 7-valent pneumococcal polysaccharide vaccine
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| Description | scientific article published on November 22, 2010 |
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author: Ellen R. Wald Nader Shaikh Mary Catherine McEllistrem Alejandro Hoberman |
| Publication date | November 22, 2010 |
| Language | English |
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