Regional Anesthesia and Pain ControlThe Side Effects of Morphine and Hydromorphone Patient-Controlled AnalgesiaSurvey of Anesthesiology: June 2009 - Volume 53 - Issue 3 - p 134 doi: 10.1097/01.SA.0000349839.35400.7e Buy Metrics © 2009 Lippincott Williams & Wilkins, Inc.
