title: Tracking progress in patient safety: an elusive target.
authors.affiliation: Department of Anesthesiology and Critical Care, Johns Hopkins University, Baltimore, Md 21231, USA. ppronovo@jhmi.edu
authors.forename: Peter J
authors.initials: PJ
authors.lastname: Pronovost
authors.forename: Marlene R
authors.initials: MR
authors.lastname: Miller
authors.forename: Robert M
authors.initials: RM
authors.lastname: Wachter
mesh_terms: D006801:Humans; D019300:Medical Errors / Q000517:prevention & control / Q000639:trends; D008962:Models, Theoretical; D005791:Patient Care; D011787:Quality of Health Care; D017751:Safety Management; D014481:United States