Atallah, Mohamed M Hypobaric bupivacaine spinal anesthesia for cystoscopic intervention: the impact of adding fentanyl. [electronic resource] - Middle East journal of anaesthesiology Oct 2003 - 415-26 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0544-0440 Subjects--Topical Terms: AdultAgedAnalgesics, Opioid--adverse effectsAnesthesia, Spinal--methodsAnesthetics, Combined--adverse effectsAnesthetics, Local--adverse effectsBupivacaine--adverse effectsCystoscopyDose-Response Relationship, DrugDrug SynergismFentanyl--adverse effectsHumansLength of StayMaleMiddle AgedMovement--drug effectsPatient Satisfaction--statistics & numerical dataPilot ProjectsTreatment Outcome