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Nasopharyngeal carriage of Streptococcus pneumoniae and pneumococcal urine antigen test in healthy elderly subjects |
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| Authors: | Palmu Arto A Kaijalainen Tarja Saukkoriipi Annika Leinonen Maija Kilpi Terhi M |
| Affiliation: | National Institute for Health and Welfare, Helsinki, Finland. arto.palmu@thl.fi |
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| 本文献已被 PubMed 等数据库收录！ | |