RT Journal Article SR Electronic T1 Liposomal Drug Delivery for Postoperative Pain Management JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 491 OP 496 DO 10.1016/j.rapm.2005.05.001 VO 30 IS 5 A1 Eugene R. Viscusi YR 2005 UL http://rapm.bmj.com/content/30/5/491.abstract AB