Portenoy, R K Managing pain in patients with advanced cancer: the role of neuraxial infusion. [electronic resource] - Oncology (Williston Park, N.Y.) May 1999 - 7-8 p. digital Publication Type: Journal Article ISSN: 0890-9091 Subjects--Topical Terms: Analgesics, Opioid--administration & dosageHumansInjections, SpinalNeoplasms--drug therapyPain--drug therapy