title: National Patient Safety Agency protocol for preoperative site marking.
authors.forename: P
authors.initials: P
authors.lastname: Alexander
authors.forename: A V
authors.initials: AV
authors.lastname: Poulson
mesh_terms: D002985:Clinical Protocols; D004739:England; D006801:Humans; D019300:Medical Errors / Q000517:prevention & control*; D011300:Preoperative Care / Q000379:methods*; D017751:Safety Management / Q000379:methods