Propensity Scores for Rare Outcomes and Common Treatments
- W T. Longstreth, Jr, MD, MPH;
- Carol E. Fahrenbruch, MSPH; and
- Thomas D. Koepsell, MD, MPH
- Harborview Medical Center; Seattle, WA 98104 (Longstreth Jr., Fahrenbruch) University of Washington; Seattle, WA 98195 (Koepsell)
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