1. Quarterly update: progress in preventing wrong-site surgery in Pennsylvania Publication: [Harrisburg, Pa.] : Pennsylvania Patient Safety Authority, c2011 Subject(s): Medical Errors -- prevention & controlMedical Errors -- trendsProcess Assessment (Health Care)Surgical Procedures, Operative -- adverse effectsSystems AnalysisForecastingKnee -- surgeryProspective StudiesHumansPennsylvaniaUnited States
