The guidelines manual - Appendix E: Methodology checklist: case-control studies
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The guidelines manual - Appendix E: Methodology checklist: case-control studies 13 April 2007 (64.0Kb 22sec @ 28.8Kbps) |
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The guidelines manual - Appendix E: Methodology checklist: case-control studies 13 April 2007 (64.0Kb 22sec @ 28.8Kbps) |