The fallacy of enrolling only high-risk subjects in cancer prevention trials: Is there a "free lunch"?1Biometry Research Group, Division of Cancer Prevention, National Cancer Institute, Bethesda, Maryland, USA 2Office of Disease Prevention, National Institutes of Health, Bethesda, Maryland, USA
BMC Medical Research Methodology 2004, 4:24doi:10.1186/1471-2288-4-24
Additional filesAdditional File 1: Appendix A, worked-out calculations of power. Format: PDF Size: 67KB Download file This file can be viewed with: Adobe Acrobat Reader Additional File 2: Appendix B, likelihood formulations Format: PDF Size: 74KB Download file This file can be viewed with: Adobe Acrobat Reader |




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