Boldt, J RETRACTED: Pain management in cardiac surgery patients: comparison between standard therapy and patient-controlled analgesia regimen. [electronic resource] - Journal of cardiothoracic and vascular anesthesia 12 1998 - 654-8 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 1053-0770 Standard No.: 10.1016/s1053-0770(98)90237-3 doi Subjects--Topical Terms: Analgesia, Patient-Controlled--adverse effectsAnalgesics, Opioid--administration & dosageCardiac Surgical ProceduresFemaleForced Expiratory VolumeHumansInjections, IntravenousMaleMiddle AgedPain MeasurementPain, Postoperative--therapyPirinitramide--administration & dosageProspective StudiesVital Capacity