Controlled Clinical Trials · 1994 · 21 citations · 2 references
Public HealthBiostatisticsEpidemiologic MethodsEpidemiologyExperimental DesignClinical Trial DesignClinical Trial EthicsClinical TrialsObservational StudiesRandomized Controlled TrialsStudy DesignClustered Data Meta-analysisClustered Experimental DesignComparative Clinical TrialsIntercept EquivalenceRandomized Clinical Trials
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Sampling Rare and Elusive Populations
Seymour Sudman, Monroe G. Sirken, Charles D. Cowan · Science · 1988 · 239 citations