Purchase Short-Term Access
Rare Outcomes, Common Treatments: Analytic Strategies Using Propensity Scores
Leonard E. Braitman, PhD; Paul R. Rosenbaum, PhD
Annals of Internal Medicine 2002;137:693-695.
doi:10.7326/0003-4819-137-8-200210150-00015
Purchase Online access to this article for 24 hours