1. Update on wrong-site surgery: reports from ambulatory surgical facilities Author(s): Arnold, Theresa V., author Publication: [Harrisburg, Pennsylvania] : Pennsylvania Patient Safety Authority, December 2016 Subject(s): Medical Errors -- statistics & numerical dataMedical Errors -- trendsSurgical Procedures, OperativeSurgicenters -- statistics & numerical dataForecastingMedical Errors -- prevention & controlPatient SafetyHumansPennsylvaniaUnited States