title: A series on patient safety.
authors.forename: Lucian
authors.initials: L
authors.lastname: Leape
authors.forename: Arnold M
authors.initials: AM
authors.lastname: Epstein
authors.forename: Mary Beth
authors.initials: MB
authors.lastname: Hamel
mesh_terms: D006801:Humans; D019300:Medical Errors / Q000517:prevention & control / Q000706:statistics & numerical data; D010361:Patients; D012449:Safety; D014481:United States