Causal inference for definitive clinical end points in a randomized clinical trial with intervening nonrandomized treatments.
Causal inference for definitive clinical end points in a randomized clinical trial with intervening nonrandomized treatments.
J Clin Oncol. 2010 Aug 20;28(24):3800-2
Authors: Korn EL, Freidlin B
PMID: 20660828 [PubMed - indexed for MEDLINE]
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