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A prospective, randomized comparison of preoperative and continuous balanced epidural or paravertebral bupivacaine on post-thoracotomy pain, pulmonary function and stress responses

Pain ResearchHealth SciencesPain MedicineMedicinePostoperative Pain ManagementPulmonary FunctionPerioperative PainStress ResponsesThoracic SurgeryPreoperative PainSurgeryPain ManagementAnesthesiaPerioperative MedicineOrthopaedic SurgeryRandomized ComparisonAnesthesiologyRegional Anesthesia