//-->
Improving efficiency and robustness of the doubly robust estimator for a population mean with incomplete data
Cao, Weihua, (2009)
Improving Efficiency and Robustness of Doubly Robust Estimators in the Presence of Coarsened Data
Estimation of Survival Distributions of Treatment Policies in Two-Stage Randomization Designs in Clinical Trials
Lunceford, Jared K., (2002)