title: ORs vary in how they do time-out, and many don't follow own policy.
mesh_terms: D019983:Guideline Adherence; D006801:Humans; D019300:Medical Errors / Q000517:prevention & control*; D009873:Operating Rooms / Q000458:organization & administration*; D016134:Organizational Policy; D010414:Pennsylvania; D017410:Practice Guidelines as Topic; D017751:Safety Management / Q000592:standards*; D013514:Surgical Procedures, Operative / Q000592:standards*