1. Enhancing the diversity of clinical trial populations: eligibility criteria, enrollment practices, and trial designs Publication: Silver Spring, MD : Center for Drug Evaluation and Research, November 2020 Subject(s): Biological Variation, PopulationClinical Trial Protocols as TopicClinical Trials as TopicPopulation CharacteristicsCultural DiversityGenetic VariationUnited StatesUnited States. Department of Health and Human ServicesUnited States. Food and Drug Administration