Sample size estimation in educational intervention trials with subgroup heterogeneity in only one arm
Esserman D, Zhao Y, Tang Y, Cai J. Sample size estimation in educational intervention trials with subgroup heterogeneity in only one arm. Statistics In Medicine 2012, 32: 2140-2154. PMID: 23172724, PMCID: PMC3615113, DOI: 10.1002/sim.5678.Peer-Reviewed Original Research
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