title: Current issues in clinical trial design: superiority versus equivalency studies.
authors.affiliation: Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA. landow@mediaone.net
authors.forename: L
authors.initials: L
authors.lastname: Landow
mesh_terms: D002986:Clinical Trials as Topic / Q000639:trends*; D006801:Humans; D012107:Research Design / Q000639:trends*; D013810:Therapeutic Equivalency