Use of ICD-9 diagnosis codes in epidemiologic surveys may significantly underestimate the incidence and impact of invasive pneumococcal disease locally
Singapore Medical Journal
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| Main Authors: | , |
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| Other Authors: | |
| Format: | Others |
| Published: |
2011
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| Online Access: | http://scholarbank.nus.edu.sg/handle/10635/26918 |
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| Institution: | National University of Singapore |