title: Recurring problems in the conduct of clinical trials.
mesh_terms: D002986:Clinical Trials as Topic; D005128:Eye Diseases / Q000628:therapy*; D006801:Humans; D007635:Keratitis, Dendritic / Q000188:drug therapy; D012107:Research Design; D014481:United States; D014605:Uveitis / Q000188:drug therapy