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Comment
. 2003 Jul 15;139(2):152-3.
doi: 10.7326/0003-4819-139-2-200307150-00018.

Propensity scores for rare outcomes and common treatments

W T Longstreth Jr, Carol E Fahrenbruch, Thomas D Koepsell
Comment

Propensity scores for rare outcomes and common treatments

W T Longstreth Jr et al. Ann Intern Med. .
No abstract available

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