Written informed consent and selection bias in observational studies using medical records: systematic review (Q37403302)
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scientific article published on 12 March 2009
Language | Label | Description | Also known as |
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English | Written informed consent and selection bias in observational studies using medical records: systematic review |
scientific article published on 12 March 2009 |
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Written informed consent and selection bias in observational studies using medical records: systematic review (English)
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Melissa C Brouwers
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Deborah J Cook
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Donald J Willison
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12 March 2009
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