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Observational Research Using Propensity Scores |
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| Affiliation: | Department of Anesthesiology, Duke University Medical Center, Durham VA Medical Center, Durham, NC; Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC; and the Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN |
| Abstract: | |
| Keywords: | Propensity scores RCTs |
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