title: Collecting data on treatments for varicose veins: Getting the focus right.
authors.affiliation: 1 National Institute for Health & Care Excellence, Manchester, UK.
authors.forename: W Bruce
authors.initials: WB
authors.lastname: Campbell
authors.affiliation: 2 Cardiff & Vale University Health Board, Cedar, UK.
authors.forename: Ruth L
authors.initials: RL
authors.lastname: Poole
authors.affiliation: 3 Cardiff University, School of Engineering, Cedar, UK.
authors.forename: Alistair F
authors.initials: AF
authors.lastname: Ray
authors.affiliation: 1 National Institute for Health & Care Excellence, Manchester, UK.
authors.forename: Hannah E
authors.initials: HE
authors.lastname: Patrick
mesh_terms: D002309:Cardiology / Q000379:methods / Q000706:statistics & numerical data*; D003625:Data Collection / Q000379:methods*; D005060:Europe; D005260:Female; D006801:Humans; D008297:Male; D061214:Patient Safety; D012042:Registries; D006113:United Kingdom; D014481:United States; D014648:Varicose Veins / Q000628:therapy*