title: Rigorous science is needed to justify the centralisation of services.
authors.affiliation: University College London, London N7 0AG, UK j.yudkin@ucl.ac.uk.
authors.forename: John S
authors.initials: JS
authors.lastname: Yudkin
mesh_terms: D003695:Delivery of Health Care / Q000458:organization & administration*; D010043:Outcome and Process Assessment, Health Care / Q000379:methods*; D013222:State Medicine / Q000458:organization & administration*