Early childhood vaccination and subsequent mortality or morbidity: are observational studies hampered by residual confounding? A Danish register-based cohort study
Objectives To estimate the association between childhood vaccination and subsequent morbidity and mortality by adjusting for environmental and host factors. Further, to examine the degree of residual confounding in such observational studies.Design Register-based cohort study including 1 122 929 Dan...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMJ Publishing Group
2019-09-01
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| Series: | BMJ Open |
| Online Access: | https://bmjopen.bmj.com/content/9/9/e029794.full |
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