Ullah, Hameed Continuous interscalene brachial plexus block versus parenteral analgesia for postoperative pain relief after major shoulder surgery. [electronic resource] - The Cochrane database of systematic reviews Feb 2014 - CD007080 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Review; Systematic Review ISSN: 1469-493X Standard No.: 10.1002/14651858.CD007080.pub2 doi Subjects--Topical Terms: Analgesics, Opioid--administration & dosageAnesthesia, Local--methodsBrachial PlexusHumansNerve Block--methodsPain, Postoperative--therapyPirinitramide--administration & dosageRandomized Controlled Trials as TopicShoulder--surgerySufentanil--administration & dosage