Defining and estimating effects in cluster randomized trials: A methods comparison
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Laura B. Balzer | M. J. van der Laan | M. J. Laan | M. Petersen | P. Otieno | P. Waiswa | N. Santos | Alejandra E Benitez | E. Butrick | D. Walker | Rakesh Ghosh | L. Balzer | R. Ghosh | M. Petersen