title: Two-challenge rule averts errors, improves safety.
authors.forename: N
authors.initials: N
authors.lastname: Macready
mesh_terms: D003142:Communication; D006801:Humans; D008404:Massachusetts; D019300:Medical Errors / Q000517:prevention & control* / Q000592:standards; D010348:Patient Care Team; D019555:Physician-Nurse Relations; D012308:Risk Management / Q000458:organization & administration*