title: Crossing the line.
authors.forename: D
authors.initials: D
authors.lastname: Carlisle
mesh_terms: D003431:Cross-Cultural Comparison; D006801:Humans; D009719:Nurse Anesthetists; D009873:Operating Rooms / Q000458:organization & administration*; D012956:Societies, Nursing; D013222:State Medicine; D006113:United Kingdom; D014481:United States