Comment: Demystifying Double Robustness: A Comparison of Alternative Strategies for Estimating a Population Mean from Incomplete Data.
Tsiatis
Anastasios A
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Anastasios A. Tsiatis is Drexel Professor of Statistics at North Carolina State University, Raleigh, North Carolina 27695-8203, USA (e-mail: tsiatis@stat.ncsu.edu ).
Davidian
Marie
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