External validation of clinical prediction models using big datasets from e-health records or IPD meta-analysis: opportunities and challenges

Richard D Riley, Joie Ensor, Kym I E Snell, Thomas P A Debray, Doug G Altman, Karel G M Moons, Gary S Collins
  • BMJ, June 2016, BMJ
  • DOI: 10.1136/bmj.i3140
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The following have contributed to this page: Dr. Thomas Debray