title: Is there important variation among health care institutions?
authors.forename: Henrik
authors.initials: H
authors.lastname: Ohlsson
authors.forename: Juan
authors.initials: J
authors.lastname: Merlo
mesh_terms: D002140:California; D003627:Data Interpretation, Statistical; D006801:Humans; D010043:Outcome and Process Assessment, Health Care; D019984:Quality Indicators, Health Care