title: Clinical trials. Researchers seek clear reasons when clinical trials end early.
authors.forename: Jennifer
authors.initials: J
authors.lastname: Couzin-Frankel
mesh_terms: D015507:Drugs, Investigational / Q000627:therapeutic use*; D057239:Early Termination of Clinical Trials / Q000592:standards*; D006801:Humans; D012042:Registries / Q000592:standards; D012108:Research Personnel; D014342:Truth Disclosure
chemical_list: D015507:Drugs, Investigational