title: Evaluation of effect of changes is essential in policymaking.
authors.forename: S
authors.initials: S
authors.lastname: Dixon
authors.forename: G
authors.initials: G
authors.lastname: Rotherham
authors.forename: M
authors.initials: M
authors.lastname: Whitfield
authors.forename: C
authors.initials: C
authors.lastname: Green
mesh_terms: D018166:Health Care Reform; D013222:State Medicine / Q000458:organization & administration*; D006113:United Kingdom