Grant, R P Patient controlled lumbar epidural fentanyl for post thoracotomy pain. [electronic resource] - Canadian journal of anaesthesia = Journal canadien d'anesthesie May 1990 - S45 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0832-610X Subjects--Topical Terms: Analgesia, Epidural--instrumentationDose-Response Relationship, DrugDouble-Blind MethodFentanyl--administration & dosageHumansInfusion PumpsInfusions, Intravenous--instrumentationPain MeasurementPain, Postoperative--drug therapyRandomized Controlled Trials as TopicRespiration--drug effectsThoracotomy