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A coded value specifying a trial pattern developed to compare treatment groups in a clinical pre-clinical trial. EXAMPLE(S): Parallel Group Design, Crossover Design, Factorial Designs, Cohort, Case-control, Case-only, Case-crossover, Ecologic or Community Studies, Family-based. NOTE(S): The configuration usually requires randomization to one or more treatment arms, each arm being allocated a different (or no) treatment.
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