title: Clinical trials: rising costs limit innovation.
authors.forename: S Claiborne
authors.initials: SC
authors.lastname: Johnston
authors.forename: Stephen L
authors.initials: SL
authors.lastname: Hauser
mesh_terms: D002986:Clinical Trials as Topic / Q000191:economics*; D003365:Costs and Cost Analysis / Q000639:trends*; D006801:Humans