Different methods of allocation to groups in randomized trials are associated with different levels of bias. A

Peter Herbison1, Jean Hay-Smith, William J Gillespie

  • 1Department of Preventive and Social Medicine, Dunedin School of Medicine, University of Otago, PO Box 913, Dunedin 9054, New Zealand. peter.herbison@otago.ac.nz

Abstract

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