title: What's the evidence that NICE guidance has been implemented? Analysis is subject to confounding.
authors.forename: Colin
authors.initials: C
authors.lastname: Tilley
authors.forename: Fay
authors.initials: F
authors.lastname: Crawford
authors.forename: Jan
authors.initials: J
authors.lastname: Clarkson
authors.forename: Nigel
authors.initials: N
authors.lastname: Pitts
authors.forename: Mary
authors.initials: M
authors.lastname: McCann
mesh_terms: D000766:Anesthesia, Dental / Q000706:statistics & numerical data*; D000768:Anesthesia, General / Q000706:statistics & numerical data*; D006801:Humans; D008964:Molar, Third / Q000601:surgery*; D017410:Practice Guidelines as Topic; D012606:Scotland; D014081:Tooth Extraction / Q000706:statistics & numerical data*