1. Making patient-controlled analgesia safer for patients Publication: [Harrisburg, Pa.] : Pennsylvania Patient Safety Authority, c2011 Subject(s): Analgesia, Patient-Controlled -- instrumentationAnalgesics, Opioid -- administration & dosageMedication Errors -- prevention & controlAnalgesia, Patient-Controlled -- adverse effectsAnalgesics, Opioid -- adverse effectsEquipment SafetyInfusion PumpsRespiratory Insufficiency -- chemically inducedHumansPennsylvaniaUnited States