title: By the letter: Leapfrog's grading system draws mixed reactions from hospitals.
authors.forename: Jaimy
authors.initials: J
authors.lastname: Lee
mesh_terms: D006761:Hospitals; D019300:Medical Errors / Q000517:prevention & control; D061214:Patient Safety / Q000592:standards*; D017751:Safety Management / Q000592:standards*; D014481:United States