Patient safety alert. Retained instruments: rare error or safety concern?
D001900:Boston; D004636:Emergency Service, Hospital / Q000592:standards; D005547:Foreign Bodies; D006801:Humans; D019300:Medical Errors / Q000517:prevention & control*; D009873:Operating Rooms / Q000592:standards*; D017751:Safety Management; D013525:Surgical Instruments; D015503:Surgical Sponges; D013597:Systems Analysis